61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
OV.MeshInstance = class extends OV.Object3D
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{
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constructor (mesh, transformation)
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{
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super ();
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this.mesh = mesh;
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this.transformation = transformation;
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}
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VertexCount ()
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{
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return this.mesh.VertexCount ();
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}
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NormalCount ()
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{
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return this.mesh.NormalCount ();
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}
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TextureUVCount ()
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{
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return this.mesh.TextureUVCount ();
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}
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TriangleCount ()
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{
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return this.mesh.TriangleCount ();
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}
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EnumerateVertices (onVertex)
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{
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if (this.transformation.IsIdentity ()) {
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this.mesh.EnumerateVertices (onVertex);
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} else {
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this.mesh.EnumerateVertices ((vertex) => {
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const transformed = this.transformation.TransformCoord3D (vertex);
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onVertex (transformed);
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});
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}
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}
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EnumerateTriangleVertexIndices (onTriangleVertexIndices)
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{
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this.mesh.EnumerateTriangleVertexIndices (onTriangleVertexIndices);
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}
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EnumerateTriangleVertices (onTriangleVertices)
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{
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if (this.transformation.IsIdentity ()) {
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this.mesh.EnumerateTriangleVertices (onTriangleVertices);
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} else {
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this.mesh.EnumerateTriangleVertices ((v0, v1, v2) => {
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const v0Transformed = this.transformation.TransformCoord3D (v0);
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const v1Transformed = this.transformation.TransformCoord3D (v1);
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const v2Transformed = this.transformation.TransformCoord3D (v2);
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onTriangleVertices (v0Transformed, v1Transformed, v2Transformed);
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});
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}
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}
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};
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