Created
September 19, 2018 21:06
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// Creating an array of objects. | |
int oldx; | |
int oldy; | |
boolean recording = false; | |
Mover[] movers = new Mover[400]; | |
void setup() { | |
size(600,600); | |
strokeWeight(2); | |
strokeJoin(ROUND); | |
smooth(8); | |
background(255); | |
// Initializing all the elements of the array | |
for (int i = 0; i < movers.length; i++) { | |
movers[i] = new Mover(); | |
} | |
} | |
void keyPressed() { | |
if (key == 'r' || key == 'R') { | |
recording = !recording; | |
} | |
} | |
void draw() { | |
noStroke(); | |
fill(134, 254, 145, 10); | |
rect(0,0,width,height); | |
background(255); | |
// Calling functions of all of the objects in the array. | |
for (int i = 0; i < movers.length; i++) { | |
movers[i].update(); | |
movers[i].checkEdges(); | |
movers[i].display(); | |
} | |
if (recording) { | |
saveFrame("Beam/fram_####.png"); | |
} | |
} | |
class Mover { | |
PVector location; | |
PVector velocity; | |
PVector acceleration; | |
float topspeed; | |
Mover() { | |
location = new PVector(random(width),random(height)); | |
velocity = new PVector(0,0); | |
topspeed = 3; | |
} | |
void update() { | |
oldx = int(location.x); | |
oldy = int(location.y); | |
// Our algorithm for calculating acceleration: | |
// PVector mouse = new PVector(width+int(random(10, 40)), random(height)); | |
PVector mouse = new PVector(random(width), random(height)); | |
PVector dir = PVector.sub(mouse,location); // Find vector pointing towards mouse | |
dir.normalize(); // Normalize | |
dir.mult(0.5); // Scale | |
acceleration = dir; // Set to acceleration | |
// Motion 101! Velocity changes by acceleration. Location changes by velocity. | |
velocity.add(acceleration); | |
velocity.limit(topspeed); | |
location.add(velocity); | |
} | |
void display() { | |
stroke(0); | |
fill(175); | |
// ellipse(location.x,location.y,1,1); | |
if (location.x > width-5 || location.x < 5 || location.y < 5 || location.y > height-5) { | |
} else { | |
line(location.x,location.y,oldx,oldy); | |
} | |
/* | |
if (location.x > width-5) { | |
} else if (location.x < 5) { | |
} | |
if (location.y > height+5) { | |
} else if (location.y < 5) { | |
} else { | |
line(location.x,location.y,oldx,oldy); | |
}*/ | |
} | |
void checkEdges() { | |
if (location.x > width) { | |
location.x = 0; | |
} else if (location.x < 0) { | |
location.x = width; | |
} | |
if (location.y > height) { | |
location.y = 0; | |
} else if (location.y < 0) { | |
location.y = height; | |
} | |
} | |
} |
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