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