map - OpenProcessing

main
map / player
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int speed = 2;
​
//Moving an object
​
final static int NORTH = 1;
final static int EAST = 2;
final static int SOUTH = 4;
final static int WEST = 8;
int result;
float x, y;
PImage back;
​
//simple rendering system
void setup() {
  size(700, 500, P2D);
  back = new loadImage("texture.jpg");
  frameRate(60);
  result = 0;
  x = width / 2;
  y = height / 2;
​
}
​
​
void draw() {
  background(255);
  draw_map();
  draw_player();
​
  switch (result) {
    case NORTH:
      y-=speed;
      break;
    case EAST:
      x+=speed;
      break;
    case SOUTH:
      y+=speed;
      break;
    case WEST:
      x-=speed;
      break;
    case NORTH | EAST:
      y-=speed;
      x+=speed;
      break;
    case NORTH | WEST:
      y-=speed;
      x-=speed;
      break;
    case SOUTH | EAST:
      y+=speed;
      x+=speed;
      break;
    case SOUTH | WEST:
      y+=speed;
      x-=speed;
      break;
  }
}
​
​
​
​
​
​
void keyPressed() {
  switch (key) {
    case ('w'):
    case ('W'):
      result |= NORTH;
      break;
    case ('d'):
    case ('D'):
      result |= EAST;
      break;
    case ('s'):
    case ('S'):
      result |= SOUTH;
      break;
    case ('a'):
    case ('A'):
      result |= WEST;
      break;
  }
}
​
void keyReleased() {
  switch (key) {
    case ('w'):
    case ('W'):
      result ^= NORTH;
      break;
    case ('d'):
    case ('D'):
      result ^= EAST;
      break;
    case ('s'):
    case ('S'):
      result ^= SOUTH;
      break;
    case ('a'):
    case ('A'):
      result ^= WEST;
      break;
  }
}