mousePressed() is an EVENT that happens only when the mouse is pressed.Ĭircle. Some are essential to the website functionality and allow you to manage an account and preferences. The mouseButton variable (see the related reference entry). if mouse is inside ellipse - this is called a CONDITIONALĮllipse(circle.x, circle.y, circle.radius, circle.radius) The mousePressed() function is called once after every time a mouse button is pressed. Var distance = dist(mouseX, mouseY, circle.x, circle.y) Remember, p5 has built-in mouse-tracking variables mouseX and mouseY. If it is, we know the mouse is outside the circle.ĮllipseMode(RADIUS) // use radius instead of width and height in ellipse() Using mouse interaction is one of the main ways to make interactive p5 sketches. The physical mouse object is used to control the position of the cursor on screen and to select interface elements. Here we use the dist() function (distance) to get the distance from the center of a circle to the cursor, then we test to see if that distance is greater than the radius of the circle.
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