GRK/cw 7/shaders/shader_tex.frag
secret_dude a7bd7ecb75 master
2022-01-12 16:07:16 +01:00

18 lines
538 B
GLSL

#version 410 core
uniform sampler2D textureSampler;
uniform vec3 lightDir;
in vec3 interpNormal;
in vec2 interpTexCoord;
void main()
{
vec2 modifiedTexCoord = vec2(interpTexCoord.x, 1.0 - interpTexCoord.y); // Poprawka dla tekstur Ziemi, ktore bez tego wyswietlaja sie 'do gory nogami'
vec3 color = texture2D(textureSampler, modifiedTexCoord).rgb;
vec3 normal = normalize(interpNormal);
float ambient = 0.2;
float diffuse = max(dot(normal, -lightDir), 0.0);
gl_FragColor = vec4(color * (ambient + (1-ambient) * diffuse), 1.0);
}