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Found 4 results

  1. @Deltakosh or @Sebavan or @RaananW Anybody got any idea how i make jet flame particle system ... I have a texture for the flame... But i have no idea what NUMBERS (all the babylon particle system properties like emit boxes and min and max start, etc...) to use to make a flame for a a space ship jet flame. Is there some CYOS type deal for particle system...??? Is there some examples for different kind a particle system that can be created with "Specified Settings"... ??? Or anything that show a beginner how to make various particle system... What is the rhyme and reason to the setting the particle system numbers ???
  2. Hi, my jet in my html5 game dev. is blinking really fast -- I'm assuming it's probably my coordinates that are off, but I'm not too sure; I've never had that happen before. Thanks!
  3. Hi, I'm trying to create an explosion when I shoot an enemy jet. Not just an image when I shoot an enemy but an explosion to where it explodes and then fades like a GIF files. How could I implement that on my game? Right now I'm using a sprite sheet. Any help would be great thanks!
  4. Hi. I'm trying to make my jet shoot red bullets, but for some reason they're coming out at green. Here's my code.... function Jet() { this.srcX = 0; this.srcY = 510; this.width = 100; this.height = 40; this.speed = 3; this.drawX = 220; this.drawY = 200; this.noseX = this.drawX + 100; this.noseY = this.drawY + 30; this.isUpKey = false; this.isRightKey = false; this.isDownKey = false; this.isLeftKey = false; this.isSpacebar = false; this.isShooting = false; this.bullets = []; this.currentBullet = 0; for (var i = 0; i < 25; i++) { this.bullets[this.bullets.length] = new Bullet(); }}Jet.prototype.draw = function() { clearCtxJet(); this.checkDirection(); this.noseX = this.drawX + 100; this.noseY = this.drawY + 30; this.checkShooting(); this.drawAllBullets(); ctxJet.drawImage(imgSprite, this.srcX, this.srcY, this.width, this.height, this.drawX, this.drawY, this.width, this.height);};Jet.prototype.checkDirection = function() { if (this.isUpKey) { this.drawY -= this.speed; } if (this.isRightKey) { this.drawX += this.speed; } if (this.isDownKey) { this.drawY += this.speed; } if (this.isLeftKey) { this.drawX -= this.speed; }};Jet.prototype.drawAllBullets = function() { for (var i = 0; i < this.bullets.length; i++) { if (this.bullets[i].drawX >= 0) this.bullets[i].draw(); if (this.bullets[i].explosion.hasHit) this.bullets[i].explosion.draw(); }};Jet.prototype.checkShooting = function() { if (this.isSpacebar && !this.isShooting) { this.isShooting = true; this.bullets[this.currentBullet].fire(this.noseX, this.noseY); this.currentBullet++; if (this.currentBullet >= this.bullets.length) this.currentBullet = 0; } else if (!this.isSpacebar) { this.isShooting = false; }};function clearCtxJet() { ctxJet.clearRect(0, 0, gameWidth, gameHeight);}// end of jet functions// bullet functionsfunction Bullet() { this.srcX = 100; this.srcY = 460; this.drawX = -20; this.drawY = 0; this.width = 5; this.height = 5; this.explosion = new Explosion();}Bullet.prototype.draw = function() { this.drawX += 3; ctxJet.drawImage(imgSprite, this.srcX, this.srcY, this.width, this.height, this.drawX, this.drawY, this.width, this.height); this.checkHitEnemy(); if (this.drawX > gameWidth) this.recycle();};Bullet.prototype.fire = function(startX, startY) { this.drawX = startX; this.drawY = startY;};Bullet.prototype.checkHitEnemy = function() { for (var i = 0; i < enemies.length; i++) { if (this.drawX >= enemies[i].drawX && this.drawX <= enemies[i].drawX + enemies[i].width && this.drawY >= enemies[i].drawY && this.drawY <= enemies[i].drawY + enemies[i].height) { this.explosion.drawX = enemies[i].drawX - (this.explosion.width / 2); this.explosion.drawY = enemies[i].drawY; this.explosion.hasHit = true; this.recycle(); enemies[i].recycleEnemy(); } }};Bullet.prototype.recycle = function() { this.drawX = -20;};// end of bullet functions// explosion functionsfunction Explosion() { this.srcX = 728; this.srcY = 520; this.drawX = 0; this.drawY = 0; this.width = 50; this.height = 50; this.hasHit = false; this.currentFrame = 0; this.totalFrames = 10;}Explosion.prototype.draw = function() { if (this.currentFrame <= this.totalFrames) { ctxJet.drawImage(imgSprite, this.srcX, this.srcY, this.width, this.height, this.drawX, this.drawY, this.width, this.height); this.currentFrame++; } else { this.hasHit = false; this.currentFrame = 0; }};// end of explosion functions// enemy functionsfunction Enemy() { this.srcX = 0; this.srcY = 559; this.width = 100; this.height = 40; this.speed = 2; this.drawX = Math.floor(Math.random() * 1000) + gameWidth; this.drawY = Math.floor(Math.random() * 360);}Enemy.prototype.draw = function() { this.drawX -= this.speed; ctxEnemy.drawImage(imgSprite, this.srcX, this.srcY, this.width, this.height, this.drawX, this.drawY, this.width, this.height); this.checkEscaped();};Enemy.prototype.checkEscaped = function() { if (this.drawX + this.width <= 0) { this.recycleEnemy(); }};Enemy.prototype.recycleEnemy = function() { this.drawX = Math.floor(Math.random() * 1000) + gameWidth; this.drawY = Math.floor(Math.random() * 360);};Any help would be gladly appreciated!!