Assests and shader for fireplace particle example

data/shaders/particlefire/normalmap.frag

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+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (binding = 1) uniform sampler2D sColorMap;
+layout (binding = 2) uniform sampler2D sNormalHeightMap;
+
+#define lightRadius 35.0
+
+layout (location = 0) in vec2 inUV;
+layout (location = 1) in vec3 inLightVec;
+layout (location = 2) in vec3 inLightVecB;
+layout (location = 5) in vec3 inLightDir;
+layout (location = 6) in vec3 inViewVec;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main(void) 
+{
+	vec3 specularColor = vec3(0.5, 0.5, 0.5);
+
+	float invRadius = 1.0/lightRadius;
+	float ambient = 0.0;
+
+	vec3 rgb, normal;
+
+	rgb = texture(sColorMap, inUV).rgb;
+	normal = normalize((texture(sNormalHeightMap, inUV).rgb - 0.5) * 2.0);
+
+	float distSqr = dot(inLightVecB, inLightVecB);
+	vec3 lVec = inLightVecB * inversesqrt(distSqr);
+
+	float atten = max(clamp(1.0 - invRadius * sqrt(distSqr), 0.0, 1.0), ambient);
+	float diffuse = clamp(dot(lVec, normal), 0.0, 1.0);
+
+	vec3 light = normalize(-inLightVec);
+	vec3 view = normalize(inViewVec);
+	vec3 reflectDir = reflect(-light, normal);
+		
+	float specular = pow(max(dot(view, reflectDir), 0.0), 8.0);
+	
+	outFragColor = vec4((rgb * atten + (diffuse * rgb + 0.5 * specular * specularColor.rgb)) * atten, 1.0);   
+}