Moved shaders to new directory

shaders/glsl/computenbody/particle.vert

@@ -0,0 +1,32 @@
+#version 450
+
+layout (location = 0) in vec4 inPos;
+layout (location = 1) in vec4 inVel;
+
+layout (location = 0) out float outGradientPos;
+
+layout (binding = 2) uniform UBO 
+{
+	mat4 projection;
+	mat4 modelview;
+	vec2 screendim;
+} ubo;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+	float gl_PointSize;
+};
+
+void main () 
+{
+	const float spriteSize = 0.005 * inPos.w; // Point size influenced by mass (stored in inPos.w);
+
+	vec4 eyePos = ubo.modelview * vec4(inPos.x, inPos.y, inPos.z, 1.0); 
+	vec4 projectedCorner = ubo.projection * vec4(0.5 * spriteSize, 0.5 * spriteSize, eyePos.z, eyePos.w);
+	gl_PointSize = clamp(ubo.screendim.x * projectedCorner.x / projectedCorner.w, 1.0, 128.0);
+	
+	gl_Position = ubo.projection * eyePos;
+
+	outGradientPos = inVel.w;
+}