/* shooter game by Roel. Short instructions: 1. sensitivity: the higher it is, the lower it will be in the game. 2. choose a class */ alert(` INSTRUCTIONS 1. choose a class. there are 5 classes. 1.1 sniper: (dmg+++) (hp+) (speed---) 1.2 assault: (dmg-) (speed+) 1.3 tank: (dmg++) (hp+++) (speed--) 1.4 gunner: (dmg---) (hp-) (speed++++) 1.5 shotgun: (dmg-) speed(--) (bullets 8) 2. tap left or right to turn 3. tap on the gun to scope 4. don't worry, the gamespeed will increase over time. `); let sensitivity = 200; //assault, sniper, tank, gunner let pclass = prompt("Choose a class: assault, gunner, sniper, tank, shotgun"); let interval,phealth,pdamage,player; function Rnd(a, b){ if(!a) a = 0; if(!b) b = 1; b -= a; return (Math.random()*b)+a; } function Fl(a){return Math.floor(a)} function Ro(a){return Math.round(a)} function Cp(xy,mult){return [cos(xy)*mult,sin(xy)*mult]} function Ne(){ let c = Fl(Rnd(4)); switch (c) { case 0 : return [0,Rnd(sh)]; case 1 : return [sw,Rnd(sh)]; case 2 : return [Rnd(sw),0]; case 3 : return [Rnd(sw),sh]; } } function setup(){ switch (pclass){ case "assault" : bspeed = 100; interval = 4; phealth = 100; pdamage = 5; break; case "sniper" : bspeed = 20; interval = 150; phealth = 120; pdamage = 200; break; case "tank" : bspeed = 125; interval = 40; phealth = 200; pdamage = 50; break; case "gunner" : bspeed = 80; interval = 1; phealth = 80; pdamage = 1; break; case "shotgun" : bspeed = 160; interval = 72; phealth = 120; pdamage = 6; break; default: bspeed = 100; interval = 4; phealth = 100; pdamage = 5; break; } p1= new Player(interval,pdamage,phealth,0); rt = (Math.PI*2)/sensitivity; rp = rt; sw = screen.width; cx = Ro(sw / 2); sh = screen.height - 130; cy = Ro(sh / 2); lazer = dist(cx,cy,0,0); cw = (sw+sh)/20; createCanvas(sw,sh); background(0); } let sw,sh,lazer,cp,rt,rp,cx,cy; let Earr = []; let Bullets = []; let f = 0; let sr = 200; let scope = false; let cl = [255,255,255]; let now = Date.now(); let fps = 0; function initFps(){ fps = (Date.now()-now); now = Date.now(); } function draw(){ background(0); if(p1.hp <= 0){ noLoop(); textSize((sw+sh)/12); textAlign(CENTER) fill(255,30,70); text("Game Over",cx,cy-cw/2); } // stroke(255) initFps(); text(`score : ${p1.sc}`,0,10); text(`fps : ${fps}`,0,20); if(f % p1.iv === 0){ if(pclass === "shotgun"){ let p1arr = []; for(let i = -4; i <= 4; i++){ p1arr.push(rp+2*i*rt); } p1.shoot(p1arr) } else { p1.shoot([rp]); } } noStroke(); fill(150); rect(cx-50,cy+cw,100,3); fill(30,255,100); rect(cx-50,cy+cw,(p1.hp/phealth)*100,3); fill(190,170,0); let Bindex = 0; for(let j of Bullets){ if(Ro(j.x) === Ro(j.tox) && Ro(j.y) === Ro(j.toy)){ RemoveBullet(Bindex); continue; } j.x += (j.tox-cx)/bspeed; j.y += (j.toy-cy)/bspeed; ellipse(j.x,j.y,3,3); Bindex++; } if(f % Ro(sr) === 0){ sr -= 0.2; a = Ne(); Earr.push(new Enemy(a[0],a[1],0.5,100)); } fill(0,255,0); let Eindex = 0; for(let i of Earr){ if(i.hp > 0){ Bindex = 0; for(let k of Bullets){ if(dist(i.x,i.y,k.x,k.y) < 15){ i.hp -= p1.dm; RemoveBullet(Bindex); } Bindex++; } if(dist(i.x,i.y,cx,cy) < cw/2+15){ p1.hp -= 5; RemoveEnemy(Eindex); continue; } if(i.hp <= 0){ RemoveEnemy(Eindex); p1.sc++; continue; } else { let dxGdy = dist(i.x,0,cx,0) >= dist(0,i.y,0,cy); if(dxGdy && i.x > cx) i.x -= i.speed; else if(dxGdy && i.x < cx) i.x += i.speed; else if(!dxGdy && i.y > cy) i.y -= i.speed; else if(!dxGdy && i.y < cy) i.y += i.speed; rect(i.x-5,i.y-10,10,20); } } Eindex++; } if(mouseIsPressed){ let a = mouseX; let b = mouseY; if(dist(a,b,0,cy) < dist(a,b,sw,cy)) rp -= rt; else rp += rt; } stroke(255,0,0); strokeWeight(10); line(cx,cy,Cp(rp,cw/3*2)[0]+cx,Cp(rp,cw/3*2)[1]+cy); if(pclass === "sniper"){ strokeWeight(1); stroke(255,0,0,0.5) line(cx,cy,Cp(rp,cw*10)[0]+cx,Cp(rp,cw*10)[1]+cy); } noStroke(); fill(cl[0],cl[1],cl[2]); ellipse(cx,cy,cw,cw); f ++; } let s = sensitivity; function mouseClicked(){ if(dist(mouseX,mouseY,cx,cy) <= cw){ p1.dm *= (scope)? 0.5 : 2; /*new Player(p1.iv,p1.dm/2,p1.hp,p1.sc) : new Player(p1.iv,p1.dm*2,p1.hp,p1.sc);*/ s = (scope)? s/2 : s*2; cl = (!scope)? [140,200,255] : [255,255,255]; scope = !scope; rt = (Math.PI*2)/s; } } function RemoveEnemy(a){ let pre = []; let post = []; for(let i = 0; i < a; i ++) pre.push(Earr[i]); for(let j = ++a; j < Earr.length; j ++) post.push(Earr[j]); Earr = [...pre,...post] ; } function RemoveBullet(a){ let temp = []; for(let i = 1; i < Bullets.length; i ++) temp.push(Bullets[i]); Bullets = temp; } function Player(iv,dm,hp,sc){ this.iv = iv; this.dm = dm; this.hp = hp; this.sc = sc; this.shoot = function(ra){ for(let r of ra){ Bullets.push( new Bullet( Cp(rp,cw/3*2)[0]+cx, Cp(rp,cw/3*2)[1]+cy, Cp(r,lazer)[0]+cx, Cp(r,lazer)[1]+cy ) ); } } } function Bullet(x,y,tox,toy){ this.x = x; this.y = y; this.tox = tox; this.toy = toy; } function Enemy(x,y,speed,hp){ this.x = x; this.y = y; this.speed = speed; this.hp = hp; }

defend the gun