Function inputUpdate

src/engineInput.js:603–763

()

}

function inputUpdate()
{
    if (headlessMode) return;

    // clear input when lost focus (prevent stuck keys)
    if (!(touchInputEnable && isTouchDevice) && !document.hasFocus())
        inputClear();

    // update mouse world space position and delta
    mousePos = screenToWorld(mousePosScreen);
    mouseDelta = screenToWorldDelta(mouseDeltaScreen);

    // update gamepads if enabled
    gamepadsUpdate();
        
    // gamepads are updated by engine every frame automatically
    function gamepadsUpdate()
    {
        const applyDeadZones = (v)=>
        {
            const min=.3, max=.8;
            const deadZone = (v)=>
                v > min ? percent(v, min, max) :
                v < -min ? -percent(-v, min, max) : 0;
            return vec2(deadZone(v.x), deadZone(-v.y)).clampLength();
        };

        // update touch gamepad if enabled
        if (touchGamepadEnable && isTouchDevice)
        {
            if (debugGamepads)
            {
                const stickCenter = vec2(touchGamepadSize, mainCanvasSize.y-touchGamepadSize);
                const buttonCenter = touchGamepadButtonCenter();
                const startCenter = mainCanvasSize.scale(.5);

                debugCircle(stickCenter, 2*touchGamepadSize, 'cyan', 0, false, true);
                debugCircle(buttonCenter, 2*touchGamepadSize, 'cyan', 0, false, true);
                if (touchGamepadCenterButtonSize)
                {
                    debugCircle(startCenter, 2*touchGamepadCenterButtonSize, 'cyan', 0, false, true);
                    // exclusion bubbles around controls (where start is blocked)
                    debugCircle(stickCenter,  4*touchGamepadSize, 'magenta', 0, false, true);
                    debugCircle(buttonCenter, 4*touchGamepadSize, 'magenta', 0, false, true);
                }
            }

            if (!touchGamepadTimer.isSet()) return;

            // read virtual analog stick
            gamepadPrimary = 0; // touch gamepad uses index 0
            const sticks = gamepadStickData[0] ?? (gamepadStickData[0] = []);
            const dpad = gamepadDpadData[0] ?? (gamepadDpadData[0] = vec2());
            sticks[0] = vec2();
            dpad.set();
            const leftTouchStick = touchGamepadSticks[0] ?? vec2();
            if (touchGamepadAnalog)
                sticks[0] = applyDeadZones(leftTouchStick);