uniform vec4 m_Color;

#ifdef HAS_COLORMAP
uniform sampler2D m_ColorMap;
#endif

in vec2 texCoord;
out vec4 outFragColor;

void main() {
    vec4 color = m_Color;
#ifdef HAS_COLORMAP
    color *= texture(m_ColorMap, texCoord);
#endif
    // Alpha-Discard: transparente Pixel sofort verwerfen, Z-Buffer bleibt sauber
    if (color.a < 0.5) discard;
    outFragColor = color;
}