Adding Shaders and a 'Time' Variable

OpenWindow/util_renderer.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "tgaimage.h"
+#include "model.h"
+#include "geometry.h"
+
+extern Matrix ModelView;
+extern Matrix ViewPort;
+extern Matrix Projection;
+
+void viewport(int x, int y, int w, int h, int far, int near);
+
+struct IShader {
+    virtual ~IShader();
+    virtual Vec4f vertex(int iface, int nthvert) = 0;
+    virtual bool fragment(Vec3f bar, TGAColor &color) = 0;
+};
+
+//void triangle(Vec4f *pts, IShader &shader, TGAImage &image, TGAImage &zbuffer);
+
+//void triangle( Vec3f* pts, Vec2f* diff_pts, Model* model, float* intensities)
+
+void triangle(Vec4f* pts, IShader &shader);