improved pixel window rendering

Pixel window rendering is now at the same state as the character rendering.

1 files changed, 29 insertions, 0 deletions

diff --git a/pixfb.h b/pixfb.h
new file mode 100644
index 0000000..c54b5fb
--- /dev/null
+++ b/pixfb.h
@@ -0,0 +1,29 @@
+#ifndef PIXFB_H
+#define PIXFB_H
+
+#include <vector>
+#include <cstdint>
+#include "math_vector.h"
+#include "tri_vertex.h"
+
+class PixelFrameBuffer {
+    public:
+        PixelFrameBuffer(unsigned int w, unsigned int h);
+        void resize(unsigned int w, unsigned int h);
+        unsigned int width() const;
+        unsigned int height() const;
+        const uint32_t* pixels() const;
+        void clear();
+        void draw_triangle(TriangleVertex4 triangle);
+
+    private:
+        unsigned int w, h;
+        std::vector<uint32_t> pixels_vector;
+        std::vector<float> depth_buf;
+        int face_ind;
+
+        void _draw_cropped_triangle(TriangleVertex3 triangle);
+        uint32_t face_color() const;
+};
+
+#endif // PIXFB_H