fix wind!

core/biome_generator/wires.gdshader

@@ -0,0 +1,27 @@
+shader_type spatial;
+render_mode blend_mix, depth_draw_opaque, cull_disabled;
+
+//Wire color
+uniform vec4 albedo_color : source_color = vec4(0.1, 0.1, 0.1, 1.0);
+
+global uniform float global_wind_strength;
+global uniform float global_wind_speed;
+
+void vertex() {
+    //COLOR.r is the drawing. 0 -> lampost (no move); 1.0 is the center of the wire
+    float movement = COLOR.r;
+
+    //Create a wave (based on position and time to be random)
+    float wind_wave = 0.0;
+    if (global_wind_speed > 0.0 && global_wind_strength > 0.0) {
+        wind_wave = sin(TIME * global_wind_speed + NODE_POSITION_WORLD.x * 0.5) * global_wind_strength;
+    }
+
+    VERTEX.x += wind_wave * 0.1 * movement;
+    VERTEX.z += wind_wave * 0.05 * movement;
+}
+
+void fragment() {
+    ALBEDO = albedo_color.rgb;
+    ROUGHNESS = 0.9;
+}