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#type vertex
#version 330 core
layout(location = 0) in vec3 a_Position;
uniform mat4 u_ViewProjection;
uniform mat4 u_Transform;
uniform float u_GridSize;
void main()
{
// Scale the grid based on the grid size uniform
vec3 scaledPosition = a_Position * (u_GridSize / 50.0);
gl_Position = u_ViewProjection * u_Transform * vec4(scaledPosition, 1.0);
}
#type fragment
#version 330 core
uniform vec3 u_GridColor;
uniform float u_GridAlpha;
uniform float u_GridSize;
uniform vec3 u_CameraPos;
out vec4 o_FragColor;
void main()
{
float distance = length(u_CameraPos);
float fadeFactor = 1.0 - clamp(distance / 100.0, 0.0, 0.8);
vec3 color = u_GridColor;
float alpha = u_GridAlpha * fadeFactor;
float gridFade = 1.0 - clamp(distance / 50.0, 0.0, 0.9);
alpha *= gridFade;
o_FragColor = vec4(color, alpha);
}
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