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// Declare variables for the ball's position, speed, acceleration, and dissipation let ballX; let ballY; let ballSpeedY = 0; let ballAccelerationY = 0.1; let ballDissipation = 0.9; let ballWidth = 50; let ballHeight = 50; function setup() { createCanvas(300, 300); // Set the initial position of the ball ballX = width/2; ballY = 0; } function draw() { background(255); // Update the ball's speed based on its acceleration ballSpeedY = ballSpeedY + ballAccelerationY; // Update the ball's position based on its speed ballY = ballY + ballSpeedY; // Check if the ball has reached the bottom of the canvas if (ballY+ballHeight > height) { // If it has, reverse the ball's vertical speed ballSpeedY = -ballSpeedY; // Dissipate the ball's energy if it is moving upward (bouncing off the bottom wall) if (ballSpeedY < 0) { ballSpeedY = ballSpeedY * ballDissipation; } } fill(255, 0, 0); // Display the ball ellipse(ballX, ballY, 50, ballHeight); }
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