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Options to select a single axis for the joystick #24

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Options to select a single axis for the joystick #24

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13 changes: 12 additions & 1 deletion joy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,8 @@ var JoyStick = (function(container, parameters)
internalStrokeColor = (typeof parameters.internalStrokeColor === "undefined" ? "#003300" : parameters.internalStrokeColor),
externalLineWidth = (typeof parameters.externalLineWidth === "undefined" ? 2 : parameters.externalLineWidth),
externalStrokeColor = (typeof parameters.externalStrokeColor === "undefined" ? "#008000" : parameters.externalStrokeColor),
autoReturnToCenter = (typeof parameters.autoReturnToCenter === "undefined" ? true : parameters.autoReturnToCenter);
autoReturnToCenter = (typeof parameters.autoReturnToCenter === "undefined" ? true : parameters.autoReturnToCenter),
axis = (typeof parameters.axis === "undefined" ? false : parameters.axis);

// Create Canvas element and add it in the Container object
var objContainer = document.getElementById(container);
Expand Down Expand Up @@ -176,6 +177,11 @@ var JoyStick = (function(container, parameters)
movedX -= canvas.offsetParent.offsetLeft;
movedY -= canvas.offsetParent.offsetTop;
}
if(axis)
if(axis === 'y')
movedX = centerX;
else if(axis === 'x')
movedY = centerY;
// Delete canvas
context.clearRect(0, 0, canvas.width, canvas.height);
// Redraw object
Expand Down Expand Up @@ -226,6 +232,11 @@ var JoyStick = (function(container, parameters)
movedX -= canvas.offsetParent.offsetLeft;
movedY -= canvas.offsetParent.offsetTop;
}
if(axis)
if(axis === 'y')
movedX = centerX;
else if(axis === 'x')
movedY = centerY;
// Delete canvas
context.clearRect(0, 0, canvas.width, canvas.height);
// Redraw object
Expand Down