1 files changed, 41 insertions, 0 deletions
diff --git a/shaders/satelites.vert b/shaders/satelites.vert
new file mode 100644
index 0000000..a95055b
--- /dev/null
+++ b/shaders/satelites.vert
@@ -0,0 +1,41 @@
+#version 150
+#extension GL_ARB_explicit_attrib_location : enable
+
+layout(location = 0) in vec3 in_position ;
+layout(location = 3) in vec2 in_texMapping ;
+
+uniform sampler2D noiseTexture ;
+
+uniform mat4 mvMatrix ;
+uniform mat4 pMatrix ;
+uniform float time ;
+uniform vec3 light ;
+
+out vec4 position ;
+out vec3 normal ;
+out vec2 texMapping ;
+out vec4 origPos ;
+
+void main() {
+    vec4 u = texture2D( noiseTexture, in_texMapping ) ;
+    texMapping = in_texMapping ;
+
+    float r = pow(0.1,in_position.x)+1.2 ;
+    float th = in_position.y - ((u.x+1.0) * time/(sqrt(r) * 50.0)) + u.z * 360;
+    float ph = 2*(in_position.z - 0.5) ;// pow(in_position.z-0.2,0.5) + ;
+    ph *= pow( abs(ph), 2.0 ) * sin( time  / (sqrt(r) * 50));
+
+    vec4 real_position = vec4(
+        -r * sin(th) * cos(ph),
+        r * sin(ph),
+        r * cos(th) * cos(ph),
+        1.0 ) ;
+    origPos = real_position ;
+
+    vec4 tmp = mvMatrix * real_position ;
+    position = tmp ;
+    normal = inverse(transpose(mat3(mvMatrix))) * vec3(tmp) ;
+    tmp = pMatrix * tmp;
+    gl_PointSize = texture2D(noiseTexture,in_texMapping+vec2(.1,.1)).a * 4.0 / length(vec3(tmp)) ;
+    gl_Position = tmp ;
+}