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| Name |
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mouseButton |
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| Examples |
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// Click within the image and press
// the left and right mouse buttons to
// change the value of the rectangle
void draw() {
if (mousePressed && (mouseButton == LEFT)) {
fill(0);
} else if (mousePressed && (mouseButton == RIGHT)) {
fill(255);
} else {
fill(126);
}
rect(25, 25, 50, 50);
}
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// Click within the image and press
// the left and right mouse buttons to
// change the value of the rectangle
void draw() {
rect(25, 25, 50, 50);
}
void mousePressed() {
if (mouseButton == LEFT) {
fill(0);
} else if (mouseButton == RIGHT) {
fill(255);
} else {
fill(126);
}
}
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| Description |
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Processing automatically tracks if the mouse button is pressed and which button is pressed. The value of the system variable mouseButton is either LEFT, RIGHT, or CENTER depending on which button is pressed. |
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| Usage |
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Web & Application |
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| Related |
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mouseX
mouseY
mousePressed()
mouseReleased()
mouseMoved()
mouseDragged()
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