add engine version

1 files changed, 23 insertions, 0 deletions

diff --git a/engine-ocean/Resources/Shaders/skybox.frag b/engine-ocean/Resources/Shaders/skybox.frag
new file mode 100644
index 0000000..7589faf
--- /dev/null
+++ b/engine-ocean/Resources/Shaders/skybox.frag
@@ -0,0 +1,23 @@
+#version 330 core
+
+in vec3 tex_coord;
+
+uniform samplerCube cubeMap;
+uniform vec3 skyColor;
+
+out vec4 fragColor;
+
+const float lowerLimit = -50.f;
+const float upperLimit = 100.f;
+
+
+void main() {
+
+    //fragColor = vec4(1.f);
+    vec4 finalColor = texture(cubeMap, tex_coord);
+
+    // blending bottom of skybox to skyColor
+    float factor = (tex_coord.y - lowerLimit) / (upperLimit - lowerLimit);
+    factor = clamp(factor, 0.f, 1.f);
+    fragColor = mix(vec4(skyColor, 1.f), finalColor, factor);
+}