From 75a9c87b50cef2f1d749bd9042a9348bc28b4c09 Mon Sep 17 00:00:00 2001 From: Mel Date: Sun, 23 Oct 2022 02:48:51 +0200 Subject: Sun lighting --- assets/shaders/fragment.glsl | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'assets/shaders/fragment.glsl') diff --git a/assets/shaders/fragment.glsl b/assets/shaders/fragment.glsl index f8e9e46..eca50d9 100644 --- a/assets/shaders/fragment.glsl +++ b/assets/shaders/fragment.glsl @@ -1,11 +1,17 @@ #version 330 core uniform sampler2D tex; +uniform vec3 sun_direction; +in vec3 surface_normal; in vec2 frag_tex_coord; out vec4 color; void main() { - color = texture(tex, frag_tex_coord); + float brightness = dot(normalize(surface_normal), normalize(-sun_direction)); + vec3 diffuse = vec3(max(brightness, 0.3)); + + color = vec4(diffuse, 1.0) * texture(tex, frag_tex_coord); + // color = texture(tex, frag_tex_coord); } \ No newline at end of file -- cgit 1.4.1