public void MeshRenderUVsAndTexture()
{
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)), 120.0f)).ToArray();
var ppm = new ppmImage("../../../../../textures/testTexture2.ppm");
var renderable = new Renderable <Mesh>(
new DiffuseMaterial()
{
Shader = new TextureShader(Matrix4x4.Identity, Matrix4x4.Identity, Matrix4x4.Identity),
DiffuseTexture = new Texture2d(ppm.Width, ppm.Height, ppm.Colors)
},
mesh);
var renderer = new Renderer2dGeneric <Mesh>(1024, 768, Color.Black, new List <IEnumerable <Renderable <Mesh> > > {
new List <Renderable <Mesh> > {
renderable
}
});
var image = new ppmImage(1024, 768, 255);
image.Colors = renderer.Render();
System.IO.File.WriteAllBytes("../../../ShaderRender2.ppm", image.toByteArray());
//how many pixels are bluish...
Assert.AreEqual(4053, image.Colors.Where(x => Utilities.ComputeSimpleColorDistance(x, Color.FromArgb(41, 92, 144)) < 50).Count());
}