public void TriangleRenderKnot3() { //scale and offset all verts. //flip verts since image top is 0,0 var mesh = ObjFileLoader.LoadMeshFromObjAtPath(new System.IO.FileInfo("../../../../../geometry_models/knot3/knot3.obj")); var tris = mesh.Triangles; mesh.VertexData = mesh.VertexData.Select(x => Vector4.Multiply(x, new Vector4(1.0f, 1.0f, 1.0f, 1.0f))) //scale and offset. .Select(x => Vector4.Multiply(Vector4.Add(x, new Vector4(5, 5, 0, 0)), 120)).ToArray(); var renderer = new Triangle2dRenderer(1024, 768, new List <IEnumerable <TriangleFace> > { tris }); renderer.VertexData = mesh.VertexData.Select(x => new Vector3(x.X, x.Y, x.Z)).ToArray(); var image = new ppmImage(1024, 768, 255); image.Colors = renderer.Render(); Assert.AreEqual(736261, image.Colors.Where(x => x == Color.Red).Count()); System.IO.File.WriteAllBytes("../../../knotTest3.ppm", image.toByteArray()); }
public void TriangleRenderTeapot2_usingMeshLoadOBJ() { var mesh = ObjFileLoader.LoadMeshFromObjAtPath(new System.IO.FileInfo("../../../../../geometry_models/teapot.obj")); var tris = mesh.Triangles; mesh.VertexData = mesh.VertexData.Select(x => Vector4.Multiply(x, new Vector4(1.0f, -1.0f, 1.0f, 1.0f))) //scale and offset. .Select(x => Vector4.Multiply(Vector4.Add(x, new Vector4(5, 5, 0, 0)), 100)).ToArray(); var renderer = new Triangle2dRenderer(1024, 768, new List <IEnumerable <TriangleFace> > { tris }); renderer.VertexData = mesh.VertexData.Select(x => new Vector3(x.X, x.Y, x.Z)).ToArray(); var image = new ppmImage(1024, 768, 255); image.Colors = renderer.Render(); Assert.AreEqual(677784, image.Colors.Where(x => x == Color.Red).Count()); System.IO.File.WriteAllBytes("../../../teapotTest2.ppm", image.toByteArray()); }