Weiter an den Dialogen gearbeitet

blight-assets/src/main/resources/Shaders/GrassSeed.frag

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+uniform sampler2D m_ColorMap;
+uniform vec4      g_AmbientLightColor;
+uniform vec3      m_SunDir;
+uniform vec4      m_SunColor;
+
+in vec2 varUV;
+
+out vec4 outFragColor;
+
+void main() {
+    vec4 c = texture(m_ColorMap, varUV);
+    if (c.a < 0.15) discard;
+
+    // Wrapped diffuse – kein Normalvektor nötig für Billboard-Quads
+    float light = 0.5 + 0.5 * max(dot(m_SunDir, vec3(0.0, 1.0, 0.0)), 0.0);
+    vec3 ambient = g_AmbientLightColor.rgb * c.rgb;
+    vec3 diffuse = m_SunColor.rgb * c.rgb * light;
+    outFragColor = vec4(min(ambient + diffuse, c.rgb * 1.5), c.a);
+}