787 lines
31 KiB
C#
787 lines
31 KiB
C#
using System;
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using System.Linq;
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using System.Xml.Linq;
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using FarseerPhysics;
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using Microsoft.Xna.Framework;
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namespace Subsurface
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{
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class HumanoidAnimController : AnimController
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{
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public HumanoidAnimController(Character character, XElement element)
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: base(character, element)
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{
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}
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public override void UpdateAnim(float deltaTime)
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{
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Vector2 colliderPos = GetLimb(LimbType.Torso).SimPosition;
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Vector2 rayStart = colliderPos; // at the bottom of the player sprite
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Vector2 rayEnd = rayStart - new Vector2(0.0f, TorsoPosition);
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if (stairs != null) rayEnd.Y -= 0.5f;
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if (anim != Animation.UsingConstruction) ResetPullJoints();
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//do a raytrace straight down from the torso to figure
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//out whether the ragdoll is standing on ground
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float closestFraction = 1;
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Structure closestStructure = null;
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Game1.world.RayCast((fixture, point, normal, fraction) =>
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{
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switch (fixture.CollisionCategories)
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{
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case Physics.CollisionStairs:
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Structure structure = fixture.Body.UserData as Structure;
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if (stairs == null && (!inWater || TargetMovement.Y>0.0f) && structure!=null)
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{
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if (LowestLimb.SimPosition.Y<structure.SimPosition.Y)
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{
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return -1;
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}
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else
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{
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stairs = structure;
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}
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}
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break;
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case Physics.CollisionPlatform:
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if (IgnorePlatforms || stairs != null) return -1;
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break;
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case Physics.CollisionWall:
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break;
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default:
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return -1;
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}
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onGround = true;
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if (fraction < closestFraction)
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{
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closestFraction = fraction;
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Structure structure = fixture.Body.UserData as Structure;
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if (structure != null) closestStructure = structure;
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}
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onFloorTimer = 0.05f;
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return closestFraction;
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}
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, rayStart, rayEnd);
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if (closestStructure != null && closestStructure.StairDirection != Direction.None)
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{
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stairs = closestStructure;
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}
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else
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{
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stairs = null;
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}
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//the ragdoll "stays on ground" for 50 millisecs after separation
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if (onFloorTimer <= 0.0f)
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{
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onGround = false;
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if (GetLimb(LimbType.Torso).inWater) inWater = true;
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//TODO: joku järkevämpi systeemi
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//if (!inWater && lastTimeOnFloor + 200 < gameTime.TotalGameTime.Milliseconds)
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// stunTimer = Math.Max(stunTimer, (float)gameTime.TotalGameTime.TotalMilliseconds + 100.0f);
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}
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else
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{
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onFloorTimer -= deltaTime;
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}
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if (closestFraction == 1) //raycast didn't hit anything
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floorY = (currentHull == null) ? -1000.0f : ConvertUnits.ToSimUnits(currentHull.Rect.Y - currentHull.Rect.Height);
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else
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floorY = rayStart.Y + (rayEnd.Y - rayStart.Y) * closestFraction;
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IgnorePlatforms = (TargetMovement.Y < 0.0f);
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//stun (= disable the animations) if the ragdoll receives a large enough impact
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if (strongestImpact > 0.0f)
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{
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character.Stun();
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stunTimer = MathHelper.Clamp(strongestImpact * 0.5f, stunTimer, 5.0f);
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}
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strongestImpact = 0.0f;
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if (stunTimer > 0)
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{
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UpdateStruggling();
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stunTimer -= deltaTime;
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return;
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}
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switch (anim)
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{
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case Animation.Climbing:
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UpdateClimbing();
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break;
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case Animation.UsingConstruction:
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break;
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default:
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if (inWater)
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UpdateSwimming();
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else if (isStanding)
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UpdateStanding();
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break;
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}
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if (targetDir != dir) Flip();
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foreach (Limb limb in limbs)
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{
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limb.Disabled = false;
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}
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}
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void UpdateStanding()
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{
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Vector2 handPos;
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Limb leftFoot = GetLimb(LimbType.LeftFoot);
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Limb rightFoot = GetLimb(LimbType.RightFoot);
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Limb head = GetLimb(LimbType.Head);
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Limb torso = GetLimb(LimbType.Torso);
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Limb leftHand = GetLimb(LimbType.LeftHand);
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Limb rightHand = GetLimb(LimbType.RightHand);
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Limb leftLeg = GetLimb(LimbType.LeftLeg);
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Limb rightLeg = GetLimb(LimbType.RightLeg);
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float getUpSpeed = 0.3f;
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float walkCycleSpeed = head.LinearVelocity.X * 0.08f;
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if (stairs != null)
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{
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if (TargetMovement!=Vector2.Zero && TargetMovement.Length()>3.0f)
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{
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TargetMovement /= TargetMovement.Length() / 3.0f;
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}
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walkCycleSpeed *= 1.5f;
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}
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Vector2 colliderPos = new Vector2(torso.SimPosition.X, floorY);
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float walkPosX = (float)Math.Cos(walkPos);
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float walkPosY = (float)Math.Sin(walkPos);
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float runningModifier = (float)Math.Max(Math.Abs(movement.X) / 1.5f, 1.0);
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Vector2 stepSize = new Vector2(
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this.stepSize.X * walkPosX * runningModifier,
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this.stepSize.Y * walkPosY * runningModifier * runningModifier);
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float footMid = (leftFoot.SimPosition.X + rightFoot.SimPosition.X) / 2.0f;
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movement = MathUtils.SmoothStep(movement, TargetMovement, 0.5f);
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movement.Y = 0.0f;
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//place the anchors of the head and the torso to make the ragdoll stand
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if (onGround && LowestLimb != null && (LowestLimb.SimPosition.Y-floorY < 0.5f || stairs != null) && head !=null)
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{
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getUpSpeed = Math.Max(getUpSpeed * (head.SimPosition.Y - colliderPos.Y), 0.25f);
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if (stairs != null)
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{
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if (LowestLimb.SimPosition.Y < stairs.SimPosition.Y) IgnorePlatforms = true;
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torso.pullJoint.Enabled = true;
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torso.pullJoint.WorldAnchorB = new Vector2(
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MathHelper.SmoothStep(torso.SimPosition.X, footMid + movement.X * 0.35f, getUpSpeed * 0.8f),
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MathHelper.SmoothStep(torso.SimPosition.Y, colliderPos.Y + TorsoPosition - Math.Abs(walkPosX * 0.05f), getUpSpeed * 3.0f));
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head.pullJoint.Enabled = true;
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head.pullJoint.WorldAnchorB = new Vector2(
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MathHelper.SmoothStep(head.SimPosition.X, footMid + movement.X * 0.4f, getUpSpeed * 0.8f),
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MathHelper.SmoothStep(head.SimPosition.Y, colliderPos.Y + HeadPosition - Math.Abs(walkPosX * 0.05f), getUpSpeed * 3.0f));
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}
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else
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{
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torso.pullJoint.Enabled = true;
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torso.pullJoint.WorldAnchorB =
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MathUtils.SmoothStep(torso.SimPosition,
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new Vector2(footMid + movement.X * 0.35f, colliderPos.Y + TorsoPosition - Math.Abs(walkPosX * 0.05f)), getUpSpeed);
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head.pullJoint.Enabled = true;
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head.pullJoint.WorldAnchorB =
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MathUtils.SmoothStep(head.SimPosition,
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new Vector2(footMid + movement.X * 0.4f, colliderPos.Y + HeadPosition - Math.Abs(walkPosX * 0.05f)), getUpSpeed);
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}
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//moving horizontally
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if (TargetMovement.X != 0.0f)
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{
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//progress the walking animation
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walkPos -= (walkCycleSpeed / runningModifier);
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MoveLimb(leftFoot,
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colliderPos + new Vector2(
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stepSize.X,
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(stepSize.Y > 0.0f) ? stepSize.Y : -0.15f),
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10.0f, true);
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MoveLimb(rightFoot,
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colliderPos + new Vector2(
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-stepSize.X,
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(-stepSize.Y > 0.0f) ? -stepSize.Y : -0.15f),
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10.0f, true);
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if (Math.Sign(stepSize.X) == Math.Sign(Dir))
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{
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leftFoot.body.SmoothRotate(leftLeg.body.Rotation + MathHelper.PiOver2 * Dir * 1.3f, 20.0f * runningModifier);
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}
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else if (Math.Sign(-stepSize.X) == Math.Sign(Dir))
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{
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rightFoot.body.SmoothRotate(rightLeg.body.Rotation + MathHelper.PiOver2 * Dir * 1.3f, 20 * runningModifier);
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}
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if (walkPosY > 0.0f)
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{
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GetLimb(LimbType.LeftThigh).body.ApplyTorque(-walkPosY * Dir * Math.Abs(movement.X) * -2.0f);
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}
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else
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{
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GetLimb(LimbType.RightThigh).body.ApplyTorque(walkPosY * Dir * Math.Abs(movement.X) * -2.0f);
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}
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//calculate the positions of hands
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handPos = torso.SimPosition;
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handPos.X = -walkPosX * 0.25f;
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float lowerY = -0.4f / runningModifier;
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handPos.Y = lowerY + (float)(Math.Abs(Math.Sin(walkPos - Math.PI * 1.5f) * 0.1)) * runningModifier;
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Vector2 posAdditon = new Vector2(movement.X*0.05f, 0.0f);
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if (stairs!=null)
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{
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if ((stairs.StairDirection == Direction.Right && movement.X < 0.0f) ||
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(stairs.StairDirection == Direction.Left && movement.X > 0.0f))
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{
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posAdditon.Y -= 0.1f;
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}
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else
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{
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posAdditon.Y += 0.1f;
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}
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}
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if (!rightHand.Disabled)
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{
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rightHand.body.ApplyTorque(walkPosY * runningModifier * Dir);
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MoveLimb(rightHand, torso.SimPosition + posAdditon +
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new Vector2(
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-handPos.X,
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(Math.Sign(walkPosX) == Math.Sign(Dir)) ? handPos.Y : lowerY),
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15.0f, true);
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}
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if (!leftHand.Disabled)
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{
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leftHand.body.ApplyTorque(-walkPosY * runningModifier * Dir);
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MoveLimb(leftHand, torso.SimPosition + posAdditon +
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new Vector2(
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handPos.X,
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(Math.Sign(walkPosX) == Math.Sign(-Dir)) ? handPos.Y : lowerY),
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15.0f, true);
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}
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}
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else
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{
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//add torque to the head to do a subtle "breathing" effect
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//head.body.ApplyTorque((float)Math.Sin(gameTime.TotalGameTime.TotalMilliseconds / 300) * 0.2f);
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//standing still -> "attach" the feet to the ground
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float movementFactor = (movement.X / 4.0f) * movement.X * Math.Sign(movement.X);
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Vector2 footPos = new Vector2(
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colliderPos.X + movementFactor - Dir * 0.05f,
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colliderPos.Y - 0.2f - Math.Abs(movementFactor));
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MoveLimb(leftFoot, footPos, 2.5f);
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MoveLimb(rightFoot, footPos, 2.5f);
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leftFoot.body.SmoothRotate(Dir * MathHelper.PiOver2, 5.0f);
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rightFoot.body.SmoothRotate(Dir * MathHelper.PiOver2, 5.0f);
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handPos = torso.SimPosition;
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handPos.X += movement.X;
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handPos.Y -= 0.4f;
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if (!rightHand.Disabled)
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{
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MoveLimb(rightHand, handPos, 1.5f, true);
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}
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if (!leftHand.Disabled)
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{
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MoveLimb(leftHand, handPos, 1.5f, true);
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}
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}
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}
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for (int i = 0; i < 2; i++)
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{
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Limb leg = (i == 0) ? rightFoot : leftFoot;
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if (leg.SimPosition.Y < torso.SimPosition.Y) continue;
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leg.body.ApplyTorque(-Dir * leg.Mass * 20.0f);
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}
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}
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void UpdateSwimming()
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{
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IgnorePlatforms = true;
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Vector2 footPos, handPos;
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float surfaceLimiter = 1.0f;
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Limb head = GetLimb(LimbType.Head);
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if (currentHull != null && currentHull.Volume < currentHull.FullVolume)
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{
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surfaceLimiter = (ConvertUnits.ToDisplayUnits(head.SimPosition.Y)-surfaceY);
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surfaceLimiter = Math.Max(1.0f, surfaceLimiter);
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if (surfaceLimiter > 20.0f) return;
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}
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Limb leftFoot = GetLimb(LimbType.LeftFoot);
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Limb rightFoot = GetLimb(LimbType.RightFoot);
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Limb torso = GetLimb(LimbType.Torso);
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Limb leftHand = GetLimb(LimbType.LeftHand);
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Limb rightHand = GetLimb(LimbType.RightHand);
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float rotation = MathHelper.WrapAngle(torso.Rotation);
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rotation = MathHelper.ToDegrees(rotation);
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if (rotation < 0.0f) rotation += 360;
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if (!character.IsNetworkPlayer)
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{
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if (rotation > 20 && rotation < 170)
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targetDir = Direction.Left;
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else if (rotation > 190 && rotation < 340)
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targetDir = Direction.Right;
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}
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if (TargetMovement == Vector2.Zero) return;
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float targetSpeed = TargetMovement.Length();
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if (targetSpeed > 0.0f) TargetMovement /= targetSpeed;
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//if trying to head to the opposite direction, apply torque
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//to the torso to flip the ragdoll around
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if (Math.Sign(TargetMovement.X) != Dir && TargetMovement.X != 0.0f)
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{
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float torque = torso.Mass * 10.0f;
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torque *= (rotation > 90 && rotation < 270) ? -Dir : Dir;
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torso.body.ApplyTorque(torque);
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}
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movement = MathUtils.SmoothStep(movement, TargetMovement, 0.3f);
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//dont try to move upwards if head is already out of water
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if (surfaceLimiter > 1.0f)
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{
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if (TargetMovement.X == 0.0f)
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{
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head.body.ApplyForce(head.Mass * new Vector2(-Dir * 5.1f, -5.0f));
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torso.body.ApplyForce(torso.Mass *new Vector2(-Dir*5.1f, -15.0f));
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leftFoot.body.ApplyForce(leftFoot.Mass *new Vector2(0.0f, -80.0f));
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rightFoot.body.ApplyForce(rightFoot.Mass *new Vector2(0.0f, -80.0f));
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}
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else
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{
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TargetMovement = new Vector2(
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(float)Math.Sqrt(targetSpeed * targetSpeed - TargetMovement.Y * TargetMovement.Y)
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* Math.Sign(TargetMovement.X),
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Math.Max(TargetMovement.Y, TargetMovement.Y * 0.2f));
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head.body.ApplyTorque(Dir * 0.1f);
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}
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movement.Y = movement.Y - (surfaceLimiter - 1.0f) * 0.01f;
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}
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head.body.ApplyForce((new Vector2(movement.X,
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movement.Y / surfaceLimiter + 0.2f) - head.body.LinearVelocity * 0.2f) *
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20.0f * head.body.Mass);
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torso.body.ApplyForce((new Vector2(movement.X,
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movement.Y / surfaceLimiter + 0.2f) - torso.body.LinearVelocity * 0.2f) * 10.0f * torso.body.Mass);
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walkPos += movement.Length() * 0.15f;
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footPos = (leftFoot.SimPosition + rightFoot.SimPosition) / 2.0f;
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Vector2 transformedFootPos = new Vector2((float)Math.Sin(walkPos) * 0.3f, 0.0f);
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transformedFootPos = Vector2.Transform(
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transformedFootPos,
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Matrix.CreateRotationZ(torso.body.Rotation));
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MoveLimb(leftFoot, footPos + transformedFootPos, 2.5f);
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MoveLimb(rightFoot, footPos - transformedFootPos, 2.5f);
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Vector2 feetExtendForce = new Vector2(
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(float)-Math.Sin(torso.body.Rotation),
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(float)Math.Cos(torso.body.Rotation));
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leftFoot.body.ApplyForce(feetExtendForce);
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rightFoot.body.ApplyForce(feetExtendForce);
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leftFoot.body.ApplyTorque(leftFoot.body.Mass * -Dir);
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rightFoot.body.ApplyTorque(rightFoot.body.Mass * -Dir);
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handPos = (torso.SimPosition + head.SimPosition) / 2.0f;
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//if (!rightHand.Disabled) rightHand.body.ApplyTorque(leftHand.body.Mass * Dir);
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//if (!leftHand.Disabled) leftHand.body.ApplyTorque(leftHand.body.Mass * Dir);
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//at the surface, not moving sideways -> hands just float around
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if (!headInWater && TargetMovement.X == 0.0f)
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{
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handPos.X = handPos.X + Dir * 0.6f;
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float wobbleAmount = 0.05f;
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if (!rightHand.Disabled)
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{
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MoveLimb(rightHand, new Vector2(
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handPos.X + (float)Math.Sin(walkPos / 1.5f) * wobbleAmount,
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handPos.Y + (float)Math.Sin(walkPos / 3.5f) * wobbleAmount - 0.0f), 1.5f);
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}
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if (!leftHand.Disabled)
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{
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MoveLimb(leftHand, new Vector2(
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handPos.X + (float)Math.Sin(walkPos / 2.0f) * wobbleAmount,
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handPos.Y + (float)Math.Sin(walkPos / 3.0f) * wobbleAmount - 0.0f), 1.5f);
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}
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return;
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}
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handPos += head.LinearVelocity * 0.1f;
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float handCyclePos = walkPos / 2.0f;
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float handPosX = (float)Math.Cos(handCyclePos * Dir) * 0.4f;
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float handPosY = (float)Math.Sin(handCyclePos * Dir) * 0.7f;
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handPosY = MathHelper.Clamp(handPosY, -0.6f, 0.6f);
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Matrix rotationMatrix = Matrix.CreateRotationZ(torso.Rotation);
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if (!rightHand.Disabled)
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{
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Vector2 rightHandPos = new Vector2(-handPosX, -handPosY);
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rightHandPos.X = (Dir == 1.0f) ? Math.Max(0.2f, rightHandPos.X) : Math.Min(-0.2f, rightHandPos.X);
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rightHandPos = Vector2.Transform(rightHandPos, rotationMatrix);
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MoveLimb(rightHand, handPos + rightHandPos, 3.5f);
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}
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if (!leftHand.Disabled)
|
|
{
|
|
Vector2 leftHandPos = new Vector2(handPosX, handPosY);
|
|
leftHandPos.X = (Dir == 1.0f) ? Math.Max(0.2f, leftHandPos.X) : Math.Min(-0.2f, leftHandPos.X);
|
|
leftHandPos = Vector2.Transform(leftHandPos, rotationMatrix);
|
|
|
|
MoveLimb(leftHand, handPos + leftHandPos, 3.5f);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void UpdateClimbing()
|
|
{
|
|
if (character.SelectedConstruction == null)
|
|
{
|
|
anim = Animation.None;
|
|
return;
|
|
}
|
|
|
|
onGround = false;
|
|
IgnorePlatforms = true;
|
|
|
|
movement = MathUtils.SmoothStep(movement, TargetMovement, 0.3f);
|
|
|
|
Vector2 footPos, handPos;
|
|
|
|
Limb leftFoot = GetLimb(LimbType.LeftFoot);
|
|
Limb rightFoot = GetLimb(LimbType.RightFoot);
|
|
Limb head = GetLimb(LimbType.Head);
|
|
Limb torso = GetLimb(LimbType.Torso);
|
|
|
|
Limb waist = GetLimb(LimbType.Waist);
|
|
|
|
Limb leftHand = GetLimb(LimbType.LeftHand);
|
|
Limb rightHand = GetLimb(LimbType.RightHand);
|
|
|
|
Vector2 ladderSimPos = ConvertUnits.ToSimUnits(
|
|
character.SelectedConstruction.Rect.X + character.SelectedConstruction.Rect.Width / 2.0f,
|
|
character.SelectedConstruction.Rect.Y);
|
|
|
|
MoveLimb(head, new Vector2(ladderSimPos.X - 0.27f * Dir, head.SimPosition.Y + 0.05f), 10.5f);
|
|
MoveLimb(torso, new Vector2(ladderSimPos.X - 0.27f * Dir, torso.SimPosition.Y), 10.5f);
|
|
MoveLimb(waist, new Vector2(ladderSimPos.X - 0.35f * Dir, waist.SimPosition.Y), 10.5f);
|
|
|
|
float stepHeight = ConvertUnits.ToSimUnits(30.0f);
|
|
|
|
handPos = new Vector2(
|
|
ladderSimPos.X,
|
|
head.SimPosition.Y + 0.3f + movement.Y * 0.1f - ladderSimPos.Y);
|
|
|
|
MoveLimb(leftHand,
|
|
new Vector2(handPos.X,
|
|
MathUtils.Round(handPos.Y - stepHeight, stepHeight * 2.0f) + stepHeight + ladderSimPos.Y),
|
|
5.2f);
|
|
|
|
MoveLimb(rightHand,
|
|
new Vector2(handPos.X,
|
|
MathUtils.Round(handPos.Y, stepHeight * 2.0f) + ladderSimPos.Y),
|
|
5.2f);
|
|
|
|
leftHand.body.ApplyTorque(Dir * 2.0f);
|
|
rightHand.body.ApplyTorque(Dir * 2.0f);
|
|
|
|
footPos = new Vector2(
|
|
handPos.X + Dir*0.1f,
|
|
head.SimPosition.Y - stepHeight * 2.7f - ladderSimPos.Y);
|
|
|
|
MoveLimb(leftFoot,
|
|
new Vector2(footPos.X,
|
|
MathUtils.Round(footPos.Y + stepHeight, stepHeight * 2.0f) - stepHeight + ladderSimPos.Y),
|
|
7.5f, true);
|
|
|
|
MoveLimb(rightFoot,
|
|
new Vector2(footPos.X,
|
|
MathUtils.Round(footPos.Y, stepHeight * 2.0f) + ladderSimPos.Y),
|
|
7.5f, true);
|
|
|
|
//apply torque to the legs to make the knees bend
|
|
Limb leftLeg = GetLimb(LimbType.LeftLeg);
|
|
Limb rightLeg = GetLimb(LimbType.RightLeg);
|
|
|
|
leftLeg.body.ApplyTorque(Dir * -3.0f);
|
|
rightLeg.body.ApplyTorque(Dir * -3.0f);
|
|
|
|
//apply forces to the head and the torso to move the character up/down
|
|
float movementFactor = (handPos.Y / stepHeight) * (float)Math.PI;
|
|
movementFactor = 0.8f + (float)Math.Abs(Math.Sin(movementFactor));
|
|
|
|
Vector2 climbForce = new Vector2(0.0f, movement.Y + 0.5f) * movementFactor;
|
|
torso.body.ApplyForce(climbForce * 65.0f * torso.Mass);
|
|
head.body.SmoothRotate(0.0f);
|
|
|
|
Rectangle trigger = character.SelectedConstruction.Prefab.triggers.First();
|
|
trigger = character.SelectedConstruction.TransformTrigger(trigger);
|
|
|
|
//stop climbing if:
|
|
// - going too fast (can't grab a ladder while falling)
|
|
// - moving sideways
|
|
// - reached the top or bottom of the ladder
|
|
if (Math.Abs(torso.LinearVelocity.Y) > 5.0f ||
|
|
TargetMovement.X != 0.0f ||
|
|
(TargetMovement.Y < 0.0f && ConvertUnits.ToSimUnits(trigger.Height) + handPos.Y < HeadPosition*2.0f) ||
|
|
(TargetMovement.Y > 0.0f && -handPos.Y < ConvertUnits.ToSimUnits(10.0f)))
|
|
{
|
|
anim = Animation.None;
|
|
character.SelectedConstruction = null;
|
|
IgnorePlatforms = false;
|
|
}
|
|
|
|
}
|
|
|
|
void UpdateStruggling()
|
|
{
|
|
Limb leftLeg = GetLimb(LimbType.LeftFoot);
|
|
Limb rightLeg = GetLimb(LimbType.RightFoot);
|
|
Limb torso = GetLimb(LimbType.Torso);
|
|
|
|
walkPos += 0.2f;
|
|
|
|
if (inWater) return;
|
|
|
|
Vector2 footPos = torso.body.Position+ new Vector2(TorsoPosition*Dir,0.0f);
|
|
|
|
MoveLimb(leftLeg, footPos, 0.7f);
|
|
MoveLimb(rightLeg, footPos, 0.7f);
|
|
}
|
|
|
|
public override void HoldItem(float deltaTime, Camera cam, Item item, Vector2[] handlePos, Vector2 holdPos, Vector2 aimPos, float holdAngle)
|
|
{
|
|
//calculate the handle positions
|
|
Matrix itemTransfrom = Matrix.CreateRotationZ(item.body.Rotation);
|
|
Vector2[] transformedHandlePos = new Vector2[2];
|
|
transformedHandlePos[0] = Vector2.Transform(handlePos[0], itemTransfrom);
|
|
transformedHandlePos[1] = Vector2.Transform(handlePos[1], itemTransfrom);
|
|
|
|
Limb head = GetLimb(LimbType.Head);
|
|
Limb torso = GetLimb(LimbType.Torso);
|
|
Limb leftHand = GetLimb(LimbType.LeftHand);
|
|
Limb leftArm = GetLimb(LimbType.LeftArm);
|
|
Limb rightHand = GetLimb(LimbType.RightHand);
|
|
Limb rightArm = GetLimb(LimbType.RightArm);
|
|
|
|
Vector2 itemPos = character.SecondaryKeyDown.State ? aimPos : holdPos;
|
|
|
|
float itemAngle;
|
|
if (character.SecondaryKeyDown.State && itemPos != Vector2.Zero)
|
|
{
|
|
Vector2 mousePos = ConvertUnits.ToSimUnits(character.CursorPosition);
|
|
|
|
Vector2 diff = (mousePos - torso.SimPosition) * Dir;
|
|
|
|
holdAngle = MathUtils.VectorToAngle(new Vector2(diff.X, diff.Y * Dir)) - torso.body.Rotation * Dir;
|
|
holdAngle = MathHelper.Clamp(MathUtils.WrapAnglePi(holdAngle), -1.3f, 1.0f);
|
|
|
|
itemAngle = (torso.body.Rotation + holdAngle * Dir);
|
|
|
|
head.body.SmoothRotate(itemAngle);
|
|
|
|
if (TargetMovement == Vector2.Zero && inWater)
|
|
{
|
|
torso.body.SmoothRotate(0.2f * Dir);
|
|
torso.body.ApplyForce(torso.body.LinearVelocity * -0.5f);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
itemAngle = (torso.body.Rotation + holdAngle * Dir);
|
|
}
|
|
|
|
Vector2 shoulderPos = head.SimPosition + (torso.SimPosition - head.SimPosition) *0.9f;
|
|
Vector2 transformedHoldPos = shoulderPos;
|
|
|
|
if (itemPos == Vector2.Zero)
|
|
{
|
|
if (character.SelectedItems[0] == item)
|
|
{
|
|
transformedHoldPos = rightHand.pullJoint.WorldAnchorA - transformedHandlePos[0];
|
|
itemAngle = (rightHand.Rotation + (holdAngle - MathHelper.PiOver2) * Dir);
|
|
//rightHand.Disabled = true;
|
|
}
|
|
if (character.SelectedItems[1] == item)
|
|
{
|
|
transformedHoldPos = leftHand.pullJoint.WorldAnchorA - transformedHandlePos[1];
|
|
itemAngle = (leftHand.Rotation + (holdAngle - MathHelper.PiOver2) * Dir);
|
|
//leftHand.Disabled = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (character.SelectedItems[0] == item)
|
|
{
|
|
rightHand.Disabled = true;
|
|
}
|
|
if (character.SelectedItems[1] == item)
|
|
{
|
|
leftHand.Disabled = true;
|
|
}
|
|
|
|
|
|
itemPos.X = itemPos.X * Dir;
|
|
|
|
Matrix torsoTransform = Matrix.CreateRotationZ(itemAngle);
|
|
|
|
transformedHoldPos += Vector2.Transform(itemPos, torsoTransform);
|
|
}
|
|
|
|
|
|
Vector2 bodyVelocity = torso.body.LinearVelocity / 60.0f;
|
|
|
|
item.body.ResetDynamics();
|
|
item.body.SetTransform(MathUtils.SmoothStep(item.body.Position, transformedHoldPos + bodyVelocity, 0.5f), itemAngle);
|
|
|
|
//item.body.SmoothRotate(itemAngle, 50.0f);
|
|
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
if (character.SelectedItems[i] != item) continue;
|
|
if (itemPos == Vector2.Zero) continue;
|
|
|
|
Limb hand = (i == 0) ? rightHand : leftHand;
|
|
Limb arm = (i == 0) ? rightArm : leftArm;
|
|
|
|
//hand length
|
|
float a = 24.0f;
|
|
|
|
//arm length
|
|
float b = 34.0f;
|
|
|
|
//distance from shoulder to holdpos
|
|
float c = ConvertUnits.ToDisplayUnits(Vector2.Distance(transformedHoldPos + transformedHandlePos[i], shoulderPos));
|
|
c = MathHelper.Clamp(a + b - 1, b-a, c);
|
|
|
|
float ang2 = MathUtils.VectorToAngle((transformedHoldPos + transformedHandlePos[i]) - shoulderPos)+MathHelper.PiOver2;
|
|
|
|
float armAngle = MathUtils.SolveTriangleSSS(a, b, c);
|
|
float handAngle = MathUtils.SolveTriangleSSS(b, a, c);
|
|
|
|
arm.body.SmoothRotate((ang2 - armAngle * Dir), 20.0f);
|
|
hand.body.SmoothRotate((ang2 + handAngle * Dir), 100.0f);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public override void Flip()
|
|
{
|
|
base.Flip();
|
|
|
|
Limb torso = GetLimb(LimbType.Torso);
|
|
|
|
Vector2 difference;
|
|
|
|
Matrix torsoTransform = Matrix.CreateRotationZ(torso.Rotation);
|
|
|
|
for (int i = 0; i < character.SelectedItems.Length; i++)
|
|
{
|
|
if (character.SelectedItems[i] != null)
|
|
{
|
|
difference = character.SelectedItems[i].body.Position - torso.SimPosition;
|
|
difference = Vector2.Transform(difference, torsoTransform);
|
|
difference.Y = -difference.Y;
|
|
|
|
character.SelectedItems[i].body.SetTransform(
|
|
torso.SimPosition + Vector2.Transform(difference, -torsoTransform),
|
|
MathUtils.WrapAngleTwoPi(-character.SelectedItems[i].body.Rotation));
|
|
}
|
|
}
|
|
|
|
foreach (Limb l in limbs)
|
|
{
|
|
switch (l.type)
|
|
{
|
|
case LimbType.LeftHand:
|
|
case LimbType.LeftArm:
|
|
case LimbType.RightHand:
|
|
case LimbType.RightArm:
|
|
difference = l.body.Position - torso.SimPosition;
|
|
difference = Vector2.Transform(difference, torsoTransform);
|
|
difference.Y = -difference.Y;
|
|
|
|
l.body.SetTransform(torso.SimPosition + Vector2.Transform(difference, -torsoTransform), -l.body.Rotation);
|
|
break;
|
|
default:
|
|
if (!inWater) l.body.SetTransform(l.body.Position,
|
|
MathUtils.WrapAnglePi(l.body.Rotation * (l.DoesFlip ? -1.0f : 1.0f)));
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
}
|