Added compute shader n-body particle simulation demonstrating the use of shared compute shader memory

data/shaders/computenbody/particle.frag

@@ -0,0 +1,17 @@
+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (binding = 0) uniform sampler2D samplerColorMap;
+layout (binding = 1) uniform sampler2D samplerGradientRamp;
+
+layout (location = 0) in float inGradientPos;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main () 
+{
+	vec3 color = texture(samplerGradientRamp, vec2(inGradientPos, 0.0)).rgb;
+	outFragColor.rgb = texture(samplerColorMap, gl_PointCoord).rgb * color;
+}