Weiter an den Baum Systemen gearbeitet

blight-assets/src/main/resources/Shaders/Tree.vert

@@ -16,7 +16,8 @@ out vec2 texCoord;
 out vec3 worldNormal;
 
 void main() {
-    float windW = inColor.r;
+    float windW       = inColor.r;  // Ast-Wind (0=Wurzel, 1=Astspitze)
+    float leafFlutter = inColor.g;  // Blatt-Flattern (0=Ansatz, 1=Blattspitze)
     float t = g_Time * m_WindSpeed;
 
     vec4 worldPos = g_WorldMatrix * vec4(inPosition, 1.0);
@@ -30,16 +31,20 @@ void main() {
     vec2  hashPos   = floor(vec2(g_WorldMatrix[3][0], g_WorldMatrix[3][2]));
     float randPhase = fract(sin(dot(hashPos, vec2(127.1, 311.7))) * 43758.5453) * 6.2832;
 
+    // Ast-Schwingen (niedrige Frequenz, große Amplitude)
     float mainSway  = sin(t + wavePhase * 0.08 + randPhase) * windW * m_WindStrength;
     float crossSway = cos(t * 0.73 + wavePhase * 0.06 + randPhase) * windW * m_WindStrength * 0.25;
 
+    // Blatt-Flattern (hohe Frequenz, kleine Amplitude, unabhängig vom Ast-Wind)
+    float flutter = sin(t * 2.9 + wavePhase * 0.22 + randPhase * 1.6) * leafFlutter * m_WindStrength * 0.5;
+
     // Y-Kompression: Äste neigen sich statt zu strecken → verhindert Breiterwerden der Spitzen
     float sway2 = mainSway * mainSway + crossSway * crossSway;
 
     vec3 animPos = inPosition + vec3(
-        windN.x * mainSway + perpN.x * crossSway,
+        windN.x * mainSway + perpN.x * crossSway + perpN.x * flutter,
         -sway2 * 0.5,
-        windN.y * mainSway + perpN.y * crossSway
+        windN.y * mainSway + perpN.y * crossSway + perpN.y * flutter
     );
 
     gl_Position = g_WorldViewProjectionMatrix * vec4(animPos, 1.0);