Added FinalIK

Assets/Plugins/RootMotion/FinalIK/_DEMOS/FBBIK/Scripts/ExplosionDemo.cs

@@ -0,0 +1,76 @@
+using UnityEngine;
+using System.Collections;
+using RootMotion.FinalIK;
+
+namespace RootMotion.Demos {
+
+	/// <summary>
+	/// Demo of exploding a viking using FBBIK
+	/// </summary>
+	public class ExplosionDemo : MonoBehaviour {
+
+		public SimpleLocomotion character; // Reference to the SimpleLocomotion component
+		public float forceMlp = 1f; // Explosion force
+		public float upForce = 1f; // Explosion up forve
+		public float weightFalloffSpeed = 1f; // The speed of explosion falloff
+		public AnimationCurve weightFalloff; // Explosion weight falloff
+		public AnimationCurve explosionForceByDistance; // The force of the explosion relative to character distance to the bomb
+		public AnimationCurve scale; // Scaling the bomb GameObject with the explosion
+
+		private float weight = 0f;
+		private Vector3 defaultScale = Vector3.one;
+		private Rigidbody r;
+		private FullBodyBipedIK ik;
+
+		void Start() {
+			// Storing the default scale of the bomb
+			defaultScale = transform.localScale;
+
+			r = character.GetComponent<Rigidbody>();
+			ik = character.GetComponent<FullBodyBipedIK>();
+		}
+		
+		// Update is called once per frame
+		void Update () {
+			weight = Mathf.Clamp(weight - Time.deltaTime * weightFalloffSpeed, 0f, 1f);
+
+			// Exploding the bomb
+			if (Input.GetKeyDown(KeyCode.E) && character.isGrounded) {
+				// Set FBBIK weight to 1
+				ik.solver.IKPositionWeight = 1f;
+
+				// Set limb effector positions to where they are at the momemt
+				ik.solver.leftHandEffector.position = ik.solver.leftHandEffector.bone.position;
+				ik.solver.rightHandEffector.position = ik.solver.rightHandEffector.bone.position;
+				ik.solver.leftFootEffector.position = ik.solver.leftFootEffector.bone.position;
+				ik.solver.rightFootEffector.position = ik.solver.rightFootEffector.bone.position;
+
+				weight = 1f;
+
+				// Add explosion force to the character rigidbody
+				Vector3 direction = r.position - transform.position;
+				direction.y = 0f;
+				float explosionForce = explosionForceByDistance.Evaluate(direction.magnitude);
+				r.linearVelocity = (direction.normalized + (Vector3.up * upForce)) * explosionForce * forceMlp;
+			}
+
+			if (weight < 0.5f && character.isGrounded) {
+				weight = Mathf.Clamp(weight - Time.deltaTime * 3f, 0f, 1f);
+			}
+
+			// Set effector weights
+			SetEffectorWeights(weightFalloff.Evaluate(weight));
+
+			// Set bomb scale
+			transform.localScale = scale.Evaluate(weight) * defaultScale;
+		}
+
+		// Set FBBIK limb end-effector weights to value
+		private void SetEffectorWeights(float w) {
+			ik.solver.leftHandEffector.positionWeight = w;
+			ik.solver.rightHandEffector.positionWeight = w;
+			ik.solver.leftFootEffector.positionWeight = w;
+			ik.solver.rightFootEffector.positionWeight = w;
+		}
+	}
+}