Added more general setMotion function with x y and z parameters.

src/main/java/noppes/npcs/scripted/entity/ScriptEntity.java

@@ -179,6 +179,12 @@ public class ScriptEntity<T extends Entity> implements IEntity {
 		entity.velocityChanged = true;
 	}
 
+	public void setMotion(double x, double y, double z){
+		this.setMotionX(x);
+		this.setMotionY(y);
+		this.setMotionZ(z);
+	}
+
 	/**
 	 * @return The block x position
 	 */