update

material_shaders/Sources/lnx/MyTrait.hx

@@ -0,0 +1,26 @@
+package lnx;
+
+import iron.Scene;
+import iron.math.Vec4;
+import iron.data.MaterialData;
+import iron.object.MeshObject;
+import iron.object.Object;
+import iron.object.Uniforms;
+
+class MyTrait extends iron.Trait {
+
+	public function new() {
+		super();
+		notifyOnInit(() -> {
+			Uniforms.externalFloatLinks.push(floatLink);
+		});
+	}
+
+	function floatLink(object:Object, mat:MaterialData, link:String):Null<kha.FastFloat> {
+		if (link == "myParam") {
+			var mouse = iron.system.Input.getMouse();
+			return (iron.App.h() - mouse.y) / 100;
+		}
+		return null;
+	}
+}