int angle=0,a=1;
void setup(){
size(1500,750);
fill(26,185,53);
rectMode(CORNER);
rect(0,600,1500,150);
fill(75,78,75);
rect(0,610,1500,20);
fill(233,243,255);
rect(0,0,1500,600);
stroke(247,251,0);
line(0,620,100,620);
line(120,620,220,620);
line(240,620,340,620);
line(360,620,460,620);
line(480,620,580,620);
line(600,620,700,620);
line(720,620,820,620);
line(840,620,940,620);
line(960,620,1060,620);
line(1080,620,1180,620);
line(1200,620,1300,620);
line(1320,620,1420,620);
line(1440,620,1540,620);
line(1560,620,1660,620);
line(1680,620,1780,620);
noStroke();
ellipseMode(CENTER);
fill(0,0,0);
ellipse(250,620,30,30);
}
void draw(){
while(a==1){keyPressed();}
}
void keyPressed(){
if (keyCode == UP)angle++;
else if(keyCode == DOWN)angle--;
else if(key == 'w'){fire();}
}
void fire(){
}
I’ve worked it out here, but…
According to my code, is the value of the angle variable increased/decreased when the arrow key was pressed?
Also, how do cannons vary the angle of launch depending on the value of the angle variable?