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Fraksl Processing Script
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/* | |
A port of the Fraksl Android App by Ella Jameson | |
WASD to move, QE to rotate, [UP][DOWN] to zoom, P to take a picture in the sketch directory | |
*/ | |
void mirror_screen() | |
{ | |
loadPixels(); | |
for(int row = 0; row < height; row++) | |
{ | |
for(int col = 0; col < width / 2; col++) | |
{ | |
pixels[(width - col - 1) + (width * row)] = pixels[col + (width * row)]; | |
} | |
} | |
updatePixels(); | |
} | |
PImage prev_screen; | |
void make_prev_screen() | |
{ | |
prev_screen = get(); | |
prev_screen.filter(INVERT); | |
} | |
int x_pos; | |
int y_pos; | |
float rotation = 0; | |
float zoom = .5; | |
int translate_delta; | |
float rotate_delta = TWO_PI / (pow(2, 8)); | |
float zoom_delta = 0.01; | |
boolean[] current_keys = new boolean[9]; | |
void key_list(int in_key, boolean in_pressed) | |
{ | |
if(in_key == 'q') | |
{ | |
current_keys[0] = in_pressed; | |
} | |
if(in_key == 'w') | |
{ | |
current_keys[1] = in_pressed; | |
} | |
if(in_key == 'e') | |
{ | |
current_keys[2] = in_pressed; | |
} | |
if(in_key == 'a') | |
{ | |
current_keys[3] = in_pressed; | |
} | |
if(in_key == 's') | |
{ | |
current_keys[4] = in_pressed; | |
} | |
if(in_key == 'd') | |
{ | |
current_keys[5] = in_pressed; | |
} | |
if(in_key == UP) | |
{ | |
current_keys[6] = in_pressed; | |
} | |
if(in_key == DOWN) | |
{ | |
current_keys[7] = in_pressed; | |
} | |
if(in_key == 'p') | |
{ | |
current_keys[8] = in_pressed; | |
} | |
} | |
void keyPressed() | |
{ | |
if(key == CODED) | |
{ | |
key_list(keyCode, true); | |
} | |
else | |
{ | |
key_list(key, true); | |
} | |
} | |
void keyReleased() | |
{ | |
if(key == CODED) | |
{ | |
key_list(keyCode, false); | |
} | |
else | |
{ | |
key_list(key, false); | |
} | |
} | |
void key_update() | |
{ | |
if(current_keys[0]) | |
{ | |
rotation -= rotate_delta; | |
} | |
if(current_keys[1]) | |
{ | |
y_pos -= translate_delta; | |
} | |
if(current_keys[2]) | |
{ | |
rotation += rotate_delta; | |
} | |
if(current_keys[3]) | |
{ | |
x_pos -= translate_delta; | |
} | |
if(current_keys[4]) | |
{ | |
y_pos += translate_delta; | |
} | |
if(current_keys[5]) | |
{ | |
x_pos += translate_delta; | |
} | |
if(current_keys[6]) | |
{ | |
zoom += zoom_delta; | |
} | |
if(current_keys[7]) | |
{ | |
zoom -= zoom_delta; | |
} | |
save_frame = false; | |
if(current_keys[8]) | |
{ | |
save_frame = true; | |
} | |
} | |
void setup() | |
{ | |
size(1920, 1080); | |
background(0); | |
frameRate(60); | |
make_prev_screen(); | |
x_pos = (int)(width / 2) - (int)((width * zoom) / 4); | |
y_pos = (int)(height / 2); | |
translate_delta = (int)(height / (pow(2, 8))); | |
} | |
boolean save_frame; | |
void draw() | |
{ | |
background(255); | |
key_update(); | |
prev_screen.resize((int)(width * zoom), (int)(height * zoom)); | |
translate(x_pos, y_pos); | |
rotate(rotation); | |
image(prev_screen, -prev_screen.width / 2, -prev_screen.height / 2); | |
mirror_screen(); | |
make_prev_screen(); | |
if(save_frame) | |
{ | |
saveFrame("####.png"); | |
delay(1000); | |
} | |
} |
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