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#version 430 core
in vec3 vertexPosition;
in vec3 vertexNormal;
in vec3 particlePosition;
in vec3 particleColor;
out VertexBlock
{
flat vec3 color;
vec3 pos;
vec3 normal;
} v_out;
uniform mat4 mvp;
uniform mat3 modelViewNormal;
uniform mat4 modelView;
void main(void)
{
vec4 pos = vec4(vertexPosition.xyz, 1.0) + vec4(particlePosition, 0.0);
gl_Position = mvp * pos;
v_out.pos = vec4(modelView * pos).xyz;
v_out.normal = normalize(modelViewNormal * vertexNormal);
v_out.color = mix(particleColor * 0.2, particleColor, smoothstep(0.5, 0.8, abs(v_out.normal).z));
}
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