SpaceX Launch Simulator

// SpaceX Simulator - Jon Bourne

// DMA1010 - Computers & Coding

// Credits & Attributions in accompanying Process Journal.

// (C) Jon Bourne 2018

​

​

//All Defining Variables

var bgmus;

var explodesfx;

var fireworksfx;

var startscreen;

var simstage;

var introvid;

var rocket;

var mainfontlight;

var gravitypower;

var thrustpower;

var thrustpowerside;

var rocketangle;

var landerxpos;

var landerypos;

var landersizeparam;

var closetoland;

var rocketimg;

var landerimg;

var rocketfiredimg;

var topspeedrocket;

var movedtoofast;

var explosioneffect;

var outofarea;

var speedtoland;

var landheightrefine;

var levelwinimg;

var anglebadimg;

var speedbadimg;

​

function preload() {

  // Game Essentials

  bgmus = loadSound('BGMusicLQ.mp3'); // Background Music

  explodesfx = loadSound('explode.mp3'); //Explosion SFX

  fireworksfx = loadSound('firework.mp3'); //Fireworks SFX

  startscreen = loadImage('title.png'); // Screen Image

  cloudbg = loadImage('cloudbg2.png'); // BG with Logo (cloudbg2 = new version)

  introvid = createVideo('StartLevel2_newbg.mp4'); // Welcome Video Playback (StartLevel2_newbg = new version)

  rocketimg = loadImage("rocket1.png"); // Rocket Sprite

  rocketfiredimg = loadImage("rocket1-fired.png"); // Rocket Sprite 

  landerimg = loadImage("lander1.png"); // Lander Sprite

  movedtoofast = loadImage("movetoofast.png"); //Moved too Fast error to load.

  mainfontlight = loadFont('Montserrat-Light.ttf'); //Font #1

  mainfontextralight = loadFont('Montserrat-ExtraLight.ttf'); //Font #2

  mainfontbolditalic = loadFont('Montserrat-BoldItalic.ttf'); //Font #3

  explosioneffect = loadGif("explosiontransparent.gif"); //Explosion GIF for Crash Landing

  fireworksuccess = loadGif("newfw.gif"); //Fireworks GIF for Successful Landing

  outofarea = loadImage("outofarea.png"); // Out-Of-Area Overlay

  levelwinimg = loadImage('levelwin.png'); // Level Won Overlay

  anglebadimg = loadImage('anglebad.png'); // Bad Angle Overlay

  speedbadimg = loadImage('landtoofast.png'); // Speed too Great Overlay

​

  // *** Game Parameters - Adjust these as required for testing etc ***

  simstage = "intro"; //Stage that game launches at. Default: "intro"

  gravitypower = 0.05; // Downward force on rocket. Default: "0.05"

  thrustpower = 2.0; // Thrust Power of rocket. Default: "2.0="

  thrustpowerside = 0.2; //Thrust Power of rocket with side controls. Default: "0.2"

  rocketangle = 4; // Angle that L/R controls rotate by. Default: "4"

  landerxpos = 800; // X-Coord. Position of Lander on Screen

  landerypos = 740; // Y-Coord. Position of Lander on Screen

  landersizeparam = 50; // Used in calculations of how close the rocket can be to win.  *** check if still required..

  closetoland = 50; // How close the rocket must be to the lander for a successful landing. Centre - Centre Distance. Decrease to make harder.

  topspeedrocket = 10; // Used to later control rocket speeds.

  speedtoland = 5; //Max speed to match with distance param. for a successful landing.

  landheightrefine = 655; // Used during debug to ensure rocket lands at top of screen.

}

​

​

function setup() {

  frameRate(30); // Reduces lag and is less processor intensive when restricted to 30fps.

  angleMode(DEGREES); // Change setting to degress for all angles.

  createCanvas(1024, 768); // 1024x768 resolution as specified in brief.

  background(100); // Plain BG colour

  rocket = new rocket(); //Sets up rocket element

  lander = new lander(); //Sets up lander element

}

​

function draw() {

  if (bgmus.isPlaying() == false) { // Starts the soundtrack if stopped

    bgmus.play();

  }

​

  if (simstage == "intro") { //Determine which level to draw based on the current stage

    draw_welcome();

​

  } else if (simstage == "level1") {

    draw_level1();

​

  } else if (simstage == "level2") {

    draw_level2();

  }

​

}

​

​

function draw_welcome() {

  imageMode(CENTER); // Centre all images

  image(startscreen, 512, 384) //Load start screen image

  textFont(mainfontlight); // Choose font

  fill('white'); // Font Colour

  textSize(12); // Font Size

  text('© Jon Bourne 2018', 30, 500); // Footer Info

  text('DMA1010 Coursework Assignment', 30, 520); // Footer Info

  text('V0.8', 30, 540); // Footer Info

​

}

​

function draw_level1() {

  imageMode(CENTER); // Centre all images

  image(introvid, 512, 384); // Draw the video frame to canvas

  introvid.play(); //Play Video

​

}

​

function draw_level2() {

  introvid.hide(); // Hide video

  image(cloudbg, 512, 384) // Load BG Frame

  rocket.move(); // Rocket becomes responsive to movement

  rocket.apply_gravity(); // Gravity applies to Rocket

​

  // Rocket Stats Window

  fill(106, 215, 242, 230); // Colour RGB + Alpha

  rect(800, 10, 120, 70); // Draw Rectangle

  textSize(18); // Text Size

  textFont(mainfontbolditalic); // Text Font

  fill('white'); // Text Colour

  text('Rocket Info...', 800, 100); // Title for window (below box as in brief)

  textFont(mainfontextralight); // Text Font for info box

  textSize(14); // Text Size

  fill('black'); // Text Colour

  text('X-Vel = ' + int(rocket.speedx)*100, 810, 50); // X-Velocity Readout

  text('Y-Vel = ' + int(rocket.speedy)*100, 810, 70); // Y-Velocity Readout

  text('Dist = ' + nf(dist(rocket.x, rocket.y, lander.x, lander.y), 3, 1), 810, 30); // Rocket-Lander Dist. to 4 sig. fig.  

​

  // draw lander

  lander.draw(); // Execute draw commands

​

  // draw ship

  rocket.draw(); // Execute draw commands

​

  if (abs(rocket.speedy) < speedtoland && abs(rocket.speedx) < 1.0 && abs(rocket.angle) < 10 && rocket.x < 980 && 620 < rocket.x && landheightrefine < rocket.y) {

    //***Successful Landing***

    image(fireworksuccess, 512, 384, 1024, 768); // BG Fireworks

    image(levelwinimg, 512, 384); // Congratulations Messag

    rocket.speedx = 0 //Prevent Rocket Moving

    rocket.speedy = 0 //Prevent Rocket Moving

    rocket.gravity = 0 //Prevent Rocket Moving

    if (fireworksfx.isPlaying() == false) { // Starts the explosion if stopped

      fireworksfx.play(); // *

    }

​

  } else if (abs(rocket.speedy) < speedtoland && abs(rocket.angle) > 10 && rocket.x < 980 && 620 < rocket.x && landheightrefine < rocket.y) {

    //***Failed Landing - Angle***

    image(cloudbg, 512, 384) //Load BG Frame to blank canvas

    image(landerimg, landerxpos, landerypos); //Load Lander

    image(explosioneffect, landerxpos, landerypos); //Load Explosion GIF

    image(anglebadimg, 512, 384);

    rocket.speedx = 0

    rocket.speedy = 0

    rocket.gravity = 0

    explosioneffect.play();

    if (explodesfx.isPlaying() == false) { // Starts the explosion if stopped

      explodesfx.play(); // *

    }

​

  } else if (abs(rocket.speedy) > speedtoland && abs(rocket.angle) > 10 && rocket.x < 980 && 620 < rocket.x && landheightrefine < rocket.y) {

    //***Failed Landing - Angle (too quick also) ***

    image(cloudbg, 512, 384) //Load BG Frame to blank canvas

    image(landerimg, landerxpos, landerypos); //Load Lander

    image(explosioneffect, landerxpos, landerypos); //Load Explosion GIF

    image(anglebadimg, 512, 384);

    rocket.speedx = 0

    rocket.speedy = 0

    rocket.gravity = 0

    explosioneffect.play();

    if (explodesfx.isPlaying() == false) { // Starts the explosion if stopped

      explodesfx.play(); // *

    } else if (abs(rocket.speedy) > speedtoland && abs(rocket.angle) < 10 && rocket.x < 980 && 620 < rocket.x && landheightrefine < rocket.y) {

    //***Failed Landing - Y-Dir Speed***

    image(cloudbg, 512, 384) //Load BG Frame to blank canvas

    image(landerimg, landerxpos, landerypos); //Load Lander

    image(explosioneffect, landerxpos, landerypos); //Load Explosion GIF

    image(speedbadimg, 512, 384); // Overspeed Warning

    explosioneffect.play();

    if (explodesfx.isPlaying() == false) { // Starts the explosion if stopped

      explodesfx.play(); // *

​

    } else if (abs(rocket.speedy) < speedtoland && abs(rocket.speedx) > 1.0 && abs(rocket.angle) < 10 && rocket.x < 980 && 620 < rocket.x && landheightrefine < rocket.y) {

      //***Failed Landing - Y-Dir Speed***

      image(cloudbg, 512, 384) //Load BG Frame to blank canvas

      image(landerimg, landerxpos, landerypos); //Load Lander

      image(explosioneffect, landerxpos, landerypos); //Load Explosion GIF

      image(speedbadimg, 512, 384);

      explosioneffect.play();

      if (explodesfx.isPlaying() == false) { // Starts the explosion if stopped

        explodesfx.play(); // *   

      }

      }

    }

  }

​

  if (rocket.speedx < -topspeedrocket || rocket.speedx > topspeedrocket) { //adj final var

    image(movedtoofast, 512, 384); // Display 'Moved too Fast' crash message (general for anywhere in play area)

    noLoop(); //End Game

  }

}

​

// rocket object

function rocket() {

​

  this.x = random(30, 300); //Start Xpos - random top left

  this.y = random(100, 210); //Start Ypos - random top left

  this.size = 50; //Size of rocket. Possibly obsolete? check

  this.speedx = 0; //Starting speed. Later altered.

  this.speedy = 0; //Starting speed. Later altered.

  this.gravity = gravitypower; //Pulls values from central variables.

  this.angle = 0; //Initial starting angle, 0deg.

​

  // rocket methods - what it does, here drawing itself.

  this.draw = function() {

    push()

    translate(this.x + 2.5, this.y + 1.5);

    rotate(this.angle);

    translate(-this.x - 2.5, -this.y - 1.5);

​

    if (keyIsDown(LEFT_ARROW) || keyIsDown(RIGHT_ARROW) || keyIsDown(UP_ARROW)) { //If L/R/U keys are used, rocket will 'fire' instead of being static.

      image(rocketfiredimg, this.x, this.y, 60, 356); //Fire Image

    } else image(rocketimg, this.x, this.y, 60, 356); //No-Fire Image

​

    pop(); //NEWNEWNEW

  }

  // move ship

  this.move = function() {

    this.x += this.speedx; //not just changing x and y by a number, but by the speed instead.

    this.y += this.speedy;

​

    // Out of area once rocket substantially leaves play area.

    if (this.x < -50 || this.x > width + 50) { //X-Dir Variant

      image(outofarea, 512, 384); // Display 'Out of Area' crash message.

      noLoop(); //End Game

​

    } else if (this.y < -100 || this.y > height + 200) { //Y-Dir Variant

      image(outofarea, 512, 384); // Display 'Out of Area' crash message.

      noLoop(); //End Game

    }

  }

​

  // apply gravity

  this.apply_gravity = function() {

    this.speedy += this.gravity; // Gravity effect on y-dir speed.

  }

}

​

// lander object

function lander() {

​

  // lander data - this should be altered to match (!)

  this.x = landerxpos;

  this.y = landerypos;

  this.size = landersizeparam;

​

  // the actual object it lands on

  this.draw = function() {

    imageMode(CENTER);

    image(landerimg, this.x, this.y);

  }

}

​

function keyPressed() {

​

  //ROCKET CONTROL ONLY

  if (keyCode == LEFT_ARROW) {

      rocket.speedx -= thrustpowerside; //Speed alteration

      rocket.angle -= rocketangle; //Alter angle by preset variable.

  } else if (keyCode == RIGHT_ARROW) {

      rocket.speedx += thrustpowerside; //Speed alteration

      rocket.angle += rocketangle; //Alter angle by preset variable.

  } else if (keyCode == UP_ARROW) {

      rocket.speedy -= thrustpower; //Speed alteration

  } else if (keyCode == DOWN_ARROW) {

      rocket.speedy += thrustpower; //Speed alteration

​

    //GAME UI CONTROL ONLY

  } else if (simstage == "intro") {

      simstage = "level1" //move to level 1 on key press

      draw_level1(); //start the level 1 scene

  } else if (simstage == "level1") {

      simstage = "level2"

      draw_level2(); //start the level 2 scene

  }

  return false; // prevent default

} //key controls