matteo-pacini / lwjgl-kotlin-example Goto Github PK

keyCallback = glfwSetKeyCallback(window!!, object : GLFWKeyCallback() {
        override fun invoke(window: kotlin.Long,
                        key: kotlin.Int,
                        scancode: kotlin.Int,
                        action: kotlin.Int,
                         mods: kotlin.Int) {

        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE ) {
            glfwSetWindowShouldClose(window, GLFW_TRUE)
        }
    }
})

Object must be declared abstract or implement abstract base class member public abstract operator fun invoke(p0: Long, p1: Int, p2: Int, p3: Int, p4: Int): Unit defined in org.lwjgl.glfw.GLFWKeyCallback
'invoke' overrides nothing

val a: Int = 3