#version 330
in vec2 v_coord;
in vec2 v_texcoord;
out vec2 f_texcoord;
uniform mat4 mvp;
uniform vec2 pivot;
uniform float angle
void main() {
	// Convert to radians. Radians suck.
	float angle2 = angle * PI / 180;
	float cos = cos(angle2);
	float sin = sin(angle2);
	float dx = v_coord.x - pivot.x;
	float dy = v_coord.y - pivot.y;
	float x = cos * dx - sin * dy + pivot.x;
	float y = sin * dx + cos * dy + pivot.x;
	gl_Position = mvp * vec4(x, y, 1.0, 1.0);
	f_texcoord = v_texcoord;
}