Extending a line

[Chrisir]

for a start:

Making an aiming line?

// I will try and figure out that lerp() function again float ballX, ballY; float angle = random(0, TWO_PI); float ballSpeedX = 3, ballSpeedY = 3; boolean wallHit = false; //---------------------------------------------------------------------------------------------------------- void setup() { size(600, 400); ballX = width/4; ballY = height/4; } void draw() { background(150); drawBall(); moveBall(); } //------------------------------------------------------------------------…