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());
}
