Learning Processing: A Beginner's Guide to Programming Images ...

void draw() {
}
background(100);
ball1.display();
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float x;
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float speed;
float w;
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}
x = ______;
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speed = 0;
void ___________() {
}
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// Simple gravity
float x = 100; // x
location
float y = 0; // y
location
float speed = 0; // speed
float gravity = 0.1;// gravity
void setup() {
size(200,200);
}
void draw() {
background(100);
// display the square
fill(255);
noStroke();
rectMode(CENTER);
rect(x,y,10,10);
// Add speed to y location
y = y + speed;
// Add gravity to speed
speed = speed + gravity;
Objects 133
// If square reaches the bottom
// Reverse speed
if (y > height) {
speed = speed * -0.95;
}
}