public Color[] Render()
{
this.Scene.ToList().ForEach(group =>
group.ToList().ForEach(renderable =>
{
//for now only one shader.
var material = renderable.material;
//render
var triIndex = 0;
foreach (var triFace in renderable.RenderableObject.Triangles)
{
//transform verts to screenspace
var screenCoords = new List <Vector3>();
var localVertIndex = 0;
foreach (var meshVertInde in triFace.vertIndexList)
{
screenCoords.Add(material.Shader.VertexToFragment(renderable.RenderableObject, triIndex, localVertIndex));
localVertIndex++;
}
TriangleExtensions.drawTriangle(triIndex, screenCoords.ToArray(), material, depthBuffer, imageBuffer, Width);
triIndex = triIndex + 1;
}
})
);
return(imageBuffer.ToArray());
}
public Color[] Render()
{
//cleanup from previous renders
ImageBuffer = Enumerable.Repeat(fillColor, Width * Height).ToArray();
DepthBuffer = Enumerable.Repeat(10000.0, Width * Height).ToArray();
this.Scene.ToList().ForEach(group =>
group.ToList().ForEach(renderable =>
{
//for now only one shader.
var material = renderable.material;
//render
var triIndex = 0;
foreach (var triFace in renderable.RenderableObject.Triangles)
{
// Console.WriteLine($"{triIndex} out of {renderable.RenderableObject.Triangles.Count}");
//transform verts to screenspace
var screenCoords = new List <Vector3>();
var localVertIndex = 0;
foreach (var meshVertInde in triFace.vertIndexList)
{
var vect = material.Shader.VertexToFragment(renderable.RenderableObject, triIndex, localVertIndex);
//if outside clip bounds, we will mark the vert NAN.
/* if (scaledX < 0 || scaledX > Width || scaledY < 0 || scaledY > Height)
* {
* screenCoords.Add(new Vector3(float.NaN, float.NaN, float.NaN));
* }
* else
*/
{
screenCoords.Add(new Vector3(vect.X, vect.Y, vect.Z));
}
localVertIndex++;
}
//draw if not nan.
//todo - logic is a bit backward.
// if (screenCoords.All(x => !float.IsNaN(x.X)))
{
TriangleExtensions.drawTriangle(triIndex, screenCoords.ToArray(), material, DepthBuffer, ImageBuffer, Width);
}
triIndex = triIndex + 1;
}
})
);
return(ImageBuffer.ToArray());
}