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

data/shaders/computenbody/particle.vert

@@ -0,0 +1,28 @@
+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (location = 0) in vec3 inPos;
+layout (location = 1) in vec4 inVel;
+
+layout (location = 0) out float outGradientPos;
+
+layout (binding = 2) uniform UBO 
+{
+	mat4 projection;
+	mat4 modelview;
+} ubo;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+	float gl_PointSize;
+};
+
+void main () 
+{
+	gl_PointSize = 8.0;	
+	outGradientPos = inVel.w;
+	gl_Position = ubo.projection * ubo.modelview * vec4(inPos, 1.0);
+}