103 lines
2.5 KiB
JavaScript
103 lines
2.5 KiB
JavaScript
OV.GeneratorParams = class
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{
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constructor ()
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{
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this.name = null;
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this.material = null;
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this.transformation = null;
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}
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SetName (name)
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{
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this.name = name;
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return this;
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}
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SetMaterial (material)
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{
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this.material = material;
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return this;
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}
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SetTransformation (translation, rotation, scale)
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{
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const matrix = new OV.Matrix ().ComposeTRS (translation, rotation, scale);
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return this.SetTransformationMatrix (matrix);
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}
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SetTransformationMatrix (matrix)
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{
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this.transformation = new OV.Transformation (matrix);
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return this;
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}
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};
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OV.Generator = class
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{
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constructor (params)
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{
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this.params = params || new OV.GeneratorParams ();
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this.mesh = new OV.Mesh ();
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if (this.params.name !== null) {
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this.mesh.SetName (this.params.name);
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}
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}
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GetMesh ()
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{
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return this.mesh;
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}
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AddVertex (x, y, z)
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{
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let coord = new OV.Coord3D (x, y, z);
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if (this.params.transformation !== null) {
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coord = this.params.transformation.TransformCoord3D (coord);
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}
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return this.mesh.AddVertex (coord);
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}
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AddTriangle (v0, v1, v2)
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{
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let triangle = new OV.Triangle (v0, v1, v2);
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if (this.params.material !== null) {
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triangle.SetMaterial (this.params.material);
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}
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return this.mesh.AddTriangle (triangle);
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}
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AddConvexPolygon (vertices)
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{
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for (let vertexIndex = 0; vertexIndex < vertices.length - 2; vertexIndex++) {
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this.AddTriangle (
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vertices[0],
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vertices[vertexIndex + 1],
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vertices[vertexIndex + 2]
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);
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}
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}
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};
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OV.GenerateCuboid = function (genParams, xSize, ySize, zSize)
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{
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let generator = new OV.Generator (genParams);
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generator.AddVertex (0.0, 0.0, 0.0);
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generator.AddVertex (xSize, 0.0, 0.0);
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generator.AddVertex (xSize, ySize, 0.0);
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generator.AddVertex (0.0, ySize, 0.0);
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generator.AddVertex (0.0, 0.0, zSize);
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generator.AddVertex (xSize, 0.0, zSize);
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generator.AddVertex (xSize, ySize, zSize);
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generator.AddVertex (0.0, ySize, zSize);
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generator.AddConvexPolygon ([0, 3, 2, 1]);
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generator.AddConvexPolygon ([0, 1, 5, 4]);
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generator.AddConvexPolygon ([1, 2, 6, 5]);
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generator.AddConvexPolygon ([2, 3, 7, 6]);
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generator.AddConvexPolygon ([3, 0, 4, 7]);
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generator.AddConvexPolygon ([4, 5, 6, 7]);
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return generator.GetMesh ();
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};
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