ddnet/data/shader/spritemulti.vert

#version 330

layout (location = 0) in vec2 inVertex;
layout (location = 1) in vec2 inVertexTexCoord;
layout (location = 2) in vec4 inVertexColor;

uniform mat4x2 Pos;

uniform vec4 RSP[228];
uniform vec2 Center;

noperspective out vec2 texCoord;
noperspective out vec4 vertColor;

void main()
{
	vec2 FinalPos = vec2(inVertex.xy);
	if(RSP[gl_InstanceID].w != 0.0)
	{
		float X = FinalPos.x - Center.x;
		float Y = FinalPos.y - Center.y;
		
		FinalPos.x = X * cos(RSP[gl_InstanceID].w) - Y * sin(RSP[gl_InstanceID].w) + Center.x;
		FinalPos.y = X * sin(RSP[gl_InstanceID].w) + Y * cos(RSP[gl_InstanceID].w) + Center.y;
	}
	
	FinalPos.x *= RSP[gl_InstanceID].z;
	FinalPos.y *= RSP[gl_InstanceID].z;
		
	FinalPos.x += RSP[gl_InstanceID].x;
	FinalPos.y += RSP[gl_InstanceID].y;

	gl_Position = vec4(Pos * vec4(FinalPos, 0.0, 1.0), 0.0, 1.0);
	texCoord = inVertexTexCoord;
	vertColor = inVertexColor;
}