PixelWars/shaders/world.frag.glsl
2016-05-16 19:41:49 +02:00

19 lines
402 B
GLSL

#version 330 core
uniform sampler2DRect colorMap;
uniform vec3 camera;
uniform vec2 worldSize;
uniform vec2 screenSize;
out vec4 outColor;
void main()
{
vec2 halfScreen = screenSize/2;
vec2 screenPos = gl_FragCoord.xy + camera.xy;
vec2 texCoord = (screenPos-halfScreen)/200;
vec3 texColor = texelFetch(colorMap, ivec2(screenPos*camera.z)).xyz;
outColor = vec4(texColor, 1.0);
}