Array Objects
/**
* Array Objects.
*
* Demonstrates the syntax for creating an array of custom objects.
*/
struct Module {
int xOffset, yOffset;
float x, y;
int unit;
int xDirection, yDirection;
float speed;
Module() : xOffset(0),yOffset(0),x(0),y(0),unit(0),xDirection(1),yDirection(1),speed(0) {}
Module(int xOffsetTemp, int yOffsetTemp, int xTemp, int yTemp, float speedTemp, int tempUnit)
: xOffset(xOffsetTemp), yOffset(yOffsetTemp), x(xTemp), y(yTemp),
unit(tempUnit), xDirection(1), yDirection(1), speed(speedTemp) {}
void update() {
x += speed * xDirection;
if (x >= unit || x <= 0) {
xDirection *= -1;
x += 1 * xDirection;
y += 1 * yDirection;
}
if (y >= unit || y <= 0) {
yDirection *= -1;
y += 1 * yDirection;
}
}
void display() {
fill(255);
ellipse(xOffset + x, yOffset + y, 6, 6);
}
};
int unit = 40;
int count;
Module* mods;
void setup() {
size(640, 360);
noStroke();
int wideCount = width / unit;
int highCount = height / unit;
count = wideCount * highCount;
mods = new Module[count];
int index = 0;
for (int y = 0; y < highCount; y++) {
for (int x = 0; x < wideCount; x++) {
mods[index++] = Module(x*unit, y*unit, unit/2, unit/2, random(0.05f, 0.8f), unit);
}
}
}
void draw() {
background(0);
for (int i = 0; i < count; i++) {
mods[i].update();
mods[i].display();
}
}