#include "../backend.h"
#include "../ve_renderer.h"

#define WINDOW_HEIGHT 480
#define WINDOW_WIDTH 640

int main(int argc, char **argv) {
  ve_context ctx;

  if (!backend_init(&ctx, "Gradient Triangle", WINDOW_WIDTH, WINDOW_HEIGHT)) {
    return 1;
  }

  Color black = RGB(0, 0, 0);
  Color red = COLOR(255, 0, 0, 255);
  Color green = COLOR(0, 255, 0, 255);
  Color blue = COLOR(0, 0, 255, 255);

  V2 p0 = {380, 80};
  V2 p1 = {120, 400};
  V2 p2 = {520, 400};

  V2 center = {WINDOW_WIDTH / 2.0f, WINDOW_HEIGHT / 2.0f};

  while (backend_event_loop(&ctx)) {

    p0 = v2_rotate(p0, center, 0.1f * ctx.dt);
    p1 = v2_rotate(p1, center, 0.1f * ctx.dt);
    p2 = v2_rotate(p2, center, 0.1f * ctx.dt);

    ve_clear(&ctx.ve_fb, black);
    ve_render_fps(&ctx);

    Color colors[] = {red, green, blue};
    ve_draw_triangle_gradient(&ctx.ve_fb, p0, p1, p2, colors);
  };
  return 0;
}