Minimap und ingame Karte - umsetzung begonnen

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

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+uniform sampler2D m_ColorMap;
+uniform vec2      m_OverlayOrigin;
+uniform vec2      m_OverlaySize;
+uniform float     m_FadePx;
+
+in  vec2 texCoord;
+out vec4 outFragColor;
+
+void main() {
+    vec4 col = texture(m_ColorMap, texCoord);
+
+    // Abstand des Fragments vom nächsten Overlay-Rand in Screen-Pixeln
+    float distL = gl_FragCoord.x - m_OverlayOrigin.x;
+    float distR = (m_OverlayOrigin.x + m_OverlaySize.x) - gl_FragCoord.x;
+    float distB = gl_FragCoord.y - m_OverlayOrigin.y;
+    float distT = (m_OverlayOrigin.y + m_OverlaySize.y) - gl_FragCoord.y;
+    float edgeFade = clamp(min(min(distL, distR), min(distB, distT)) / m_FadePx, 0.0, 1.0);
+
+    outFragColor = vec4(col.rgb, col.a * edgeFade);
+}