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Mouse wheel event updated #2

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Mouse wheel event updated #2

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23 changes: 8 additions & 15 deletions distribution/MapThing-1.5/examples/MapThing/MapThing.pde
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Original file line number Diff line number Diff line change
Expand Up @@ -153,14 +153,6 @@ void setup() {
labelFont = loadFont("Serif-16.vlw");
textFont(labelFont);
textSize(12);

// Needed to add a mouse wheel listener to the
// applet window.
addMouseWheelListener(new java.awt.event.MouseWheelListener() {
public void mouseWheelMoved(java.awt.event.MouseWheelEvent evt) {
mouseWheel(evt.getWheelRotation());
}
});
}

void draw() {
Expand Down Expand Up @@ -234,13 +226,14 @@ void draw() {
/**
* Uses mouse wheel movement (also works with
* MacBook-type track pads) to zoom in and out.
* @param delta: the movement of the mouse wheel
* @param event: Processing object
*/
void mouseWheel(int delta) {
scaleFactor += delta * mouseWheelMultiple;
if (scaleFactor <= minScaleFactor) {
scaleFactor = minScaleFactor;
}
void mouseWheel(MouseEvent event) {
float e = event.getCount();
scaleFactor += e * mouseWheelMultiple;
if (scaleFactor <= minScaleFactor) {
scaleFactor = minScaleFactor;
}
}

/**
Expand Down Expand Up @@ -317,4 +310,4 @@ void keyPressed() {
} else if (key == 'q') {
exit();
}
}
}