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//i,j,k,m
int dx,dy;
int x,y;
boolean shaking;
void setup() {
size(300,300);
background(50,50,50);
stroke(0,0,0);
fill(50,50,50);
x=width/2;
y=height/2;
shaking=false;
}
void draw() {
if (shaking) {
rect(0,0,width,height);
//println("SHAKEN");
}
if (mousePressed) {
int x1,y1,xo,yo;
dx=dy=0;
xo=mouseX-x;
yo=mouseY-y;
if (xo!=0) {
dx=xo/abs(xo);
if (yo/xo>2) dx=0;
}
if (yo!=0) {
dy=yo/abs(yo);
if (xo/yo>2) dy=0;
}
}
line(x,y,x+dx,y+dy);
x+=dx;
y+=dy;
x=x%width;
if (x<0) x+=width;
y=y%width;
if (y<0) y+=height;
}
void keyPressed() {
switch (key) {
case 'm':
dy=1;
break;
case 'i':
dy=-1;
break;
case 'k':
dx=1;
break;
case 'j':
dx=-1;
break;
case 's':
shaking=true;
break;
}
}
void keyReleased() {
switch (key) {
case 'i':
case 'm':
dy=0;
break;
case 'j':
case 'k':
dx=0;
break;
case 's':
shaking=false;
break;
}
}
void mouseReleased() {
dx=dy=0;
}
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