void Draw()
{
graphics.Clear();
// quadTest
Rect rect = new Rect(-0.5f, -0.5f, 1, 1);
float offsetX = offset.x * numX / 2.0f;
float offsetY = offset.y * numY / 2.0f;
angle += Time.deltaTime * 50;
float _angle = angle;
for (int i = 0; i < numX; i++)
{
for (int j = 0; j < numY; j++)
{
float x = i * offset.x - offsetX;
float y = j * offset.y - offsetY;
float z = 0;
_angle += 0.1f;
float r = 1.0f / numX * i;
float g = 1.0f / numY * j;
Color color = new Color(r, g, 0, 1);
graphics.DrawQuad(rect, x, y, z, size, size, _angle, color);
}
}
graphics.Render();
}