VulkanSimulation/shaders/shader.frag

#version 450

layout (location = 0) out vec4 outColor;

layout (location = 0) in vec2 uv;
layout (location = 1) in vec3 normal;

layout (set = 0, binding = 2) uniform sampler2D texSampler;

void main() {
    // outColor = vec4((normal + vec3(1, 1, 1)) / 2, 1.0);

	vec3 L = vec3(1, 5, 1);
	L = normalize(L);
	
	vec3 N = normal;

	vec3 albedo = vec3(uv.xy, 1);
	albedo = texture(texSampler, uv).rgb;
	
	float lambertian = max(dot(L, N), 0);
	vec3 diffuse = lambertian * albedo;

	vec3 ambient = albedo * 0.1;
	
	vec3 C = ambient + diffuse;

	outColor = vec4(C, 1);
}