diff options
Diffstat (limited to 'Assets/Shaders/EquirectToCubemap.glsl')
| -rw-r--r-- | Assets/Shaders/EquirectToCubemap.glsl | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/Assets/Shaders/EquirectToCubemap.glsl b/Assets/Shaders/EquirectToCubemap.glsl deleted file mode 100644 index 690706f..0000000 --- a/Assets/Shaders/EquirectToCubemap.glsl +++ /dev/null @@ -1,39 +0,0 @@ -#type vertex - -#version 330 core - -layout (location = 0) in vec3 a_Pos; -out vec3 v_WorldPos; - -uniform mat4 u_Projection; -uniform mat4 u_View; - -void main() -{ - v_WorldPos = a_Pos; - gl_Position = u_Projection * u_View * vec4(v_WorldPos, 1.0); -} - -#type fragment - -#version 330 core - -out vec4 o_FragColor; -in vec3 v_WorldPos; - -uniform sampler2D u_EquirectangularMap; -const vec2 invAtan = vec2(0.1591, 0.3183); - -vec2 SampleSphericalMap(vec3 v) -{ - vec2 uv = vec2(atan(v.z, v.x), asin(v.y)); - uv *= invAtan; - uv += 0.5; - return uv; -} -void main() -{ - vec2 uv = SampleSphericalMap(normalize(v_WorldPos)); - vec3 color = texture(u_EquirectangularMap, uv).rgb; - o_FragColor = vec4(color, 1.0); -} |
