grk_5sem_labs/cw 7/shaders/shader_5_sun.frag

22 lines
457 B
GLSL

#version 430 core
uniform vec3 color;
uniform vec3 lightPos;
uniform vec3 lightColor;
uniform vec3 cameraPos;
in vec3 interpNormal;
in vec3 vertexNormalOut;
in vec3 vertexPosOut;
out vec4 outColor;
void main()
{
vec3 normalizedVertexNormal = normalize(vertexNormalOut);
vec3 viewDir = normalize(cameraPos - vertexPosOut);
float angle = dot(viewDir, normalizedVertexNormal);
vec3 red = vec3(1, 0, 0);
outColor = vec4(mix(red, color, angle), 1.0);
}