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@ -32,13 +32,17 @@ |
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package jme3test.model.anim; |
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import com.jme3.animation.Bone; |
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import com.jme3.animation.Skeleton; |
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import com.jme3.animation.SkeletonControl; |
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import java.nio.ByteBuffer; |
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import java.nio.FloatBuffer; |
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import com.jme3.anim.Armature; |
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import com.jme3.anim.Joint; |
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import com.jme3.anim.SkinningControl; |
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import com.jme3.app.SimpleApplication; |
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import com.jme3.light.AmbientLight; |
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import com.jme3.light.DirectionalLight; |
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import com.jme3.math.Quaternion; |
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import com.jme3.math.Transform; |
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import com.jme3.math.Vector3f; |
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import com.jme3.scene.Geometry; |
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import com.jme3.scene.Node; |
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@ -47,13 +51,11 @@ import com.jme3.scene.VertexBuffer.Format; |
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import com.jme3.scene.VertexBuffer.Type; |
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import com.jme3.scene.VertexBuffer.Usage; |
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import com.jme3.scene.shape.Box; |
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import java.nio.ByteBuffer; |
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import java.nio.FloatBuffer; |
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public class TestCustomAnim extends SimpleApplication { |
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private Bone bone; |
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private Skeleton skeleton; |
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private Joint bone; |
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private Armature armature; |
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private Quaternion rotation = new Quaternion(); |
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public static void main(String[] args) { |
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@ -81,13 +83,13 @@ public class TestCustomAnim extends SimpleApplication { |
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box.setBuffer(indicesHW); |
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// Setup bone weight buffer
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FloatBuffer weights = FloatBuffer.allocate( box.getVertexCount() * 4 ); |
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FloatBuffer weights = FloatBuffer.allocate(box.getVertexCount() * 4); |
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VertexBuffer weightsBuf = new VertexBuffer(Type.BoneWeight); |
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weightsBuf.setupData(Usage.CpuOnly, 4, Format.Float, weights); |
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box.setBuffer(weightsBuf); |
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// Setup bone index buffer
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ByteBuffer indices = ByteBuffer.allocate( box.getVertexCount() * 4 ); |
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ByteBuffer indices = ByteBuffer.allocate(box.getVertexCount() * 4); |
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VertexBuffer indicesBuf = new VertexBuffer(Type.BoneIndex); |
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indicesBuf.setupData(Usage.CpuOnly, 4, Format.UnsignedByte, indices); |
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box.setBuffer(indicesBuf); |
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@ -96,24 +98,23 @@ public class TestCustomAnim extends SimpleApplication { |
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box.generateBindPose(); |
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// Create skeleton
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bone = new Bone("root"); |
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bone.setBindTransforms(Vector3f.ZERO, Quaternion.IDENTITY, Vector3f.UNIT_XYZ); |
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bone.setUserControl(true); |
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skeleton = new Skeleton(new Bone[]{ bone }); |
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bone = new Joint("root"); |
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bone.setLocalTransform(new Transform(Vector3f.ZERO, Quaternion.IDENTITY, Vector3f.UNIT_XYZ)); |
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armature = new Armature(new Joint[] { bone }); |
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// Assign all verticies to bone 0 with weight 1
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for (int i = 0; i < box.getVertexCount() * 4; i += 4){ |
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for (int i = 0; i < box.getVertexCount() * 4; i += 4) { |
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// assign vertex to bone index 0
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indices.array()[i+0] = 0; |
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indices.array()[i+1] = 0; |
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indices.array()[i+2] = 0; |
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indices.array()[i+3] = 0; |
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indices.array()[i + 0] = 0; |
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indices.array()[i + 1] = 0; |
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indices.array()[i + 2] = 0; |
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indices.array()[i + 3] = 0; |
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// set weight to 1 only for first entry
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weights.array()[i+0] = 1; |
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weights.array()[i+1] = 0; |
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weights.array()[i+2] = 0; |
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weights.array()[i+3] = 0; |
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weights.array()[i + 0] = 1; |
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weights.array()[i + 1] = 0; |
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weights.array()[i + 2] = 0; |
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weights.array()[i + 3] = 0; |
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} |
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// Maximum number of weights per bone is 1
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@ -126,14 +127,14 @@ public class TestCustomAnim extends SimpleApplication { |
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model.attachChild(geom); |
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// Create skeleton control
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SkeletonControl skeletonControl = new SkeletonControl(skeleton); |
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model.addControl(skeletonControl); |
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SkinningControl skinningControl = new SkinningControl(armature); |
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model.addControl(skinningControl); |
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rootNode.attachChild(model); |
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} |
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@Override |
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public void simpleUpdate(float tpf){ |
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public void simpleUpdate(float tpf) { |
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// Rotate around X axis
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Quaternion rotate = new Quaternion(); |
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rotate.fromAngleAxis(tpf, Vector3f.UNIT_X); |
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@ -142,10 +143,10 @@ public class TestCustomAnim extends SimpleApplication { |
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rotation.multLocal(rotate); |
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// Set new rotation into bone
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bone.setUserTransforms(Vector3f.ZERO, rotation, Vector3f.UNIT_XYZ); |
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bone.setLocalTransform(new Transform(Vector3f.ZERO, rotation, Vector3f.UNIT_XYZ)); |
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// After changing skeleton transforms, must update world data
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skeleton.updateWorldVectors(); |
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armature.update(); |
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} |
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} |
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