Add rocket launch capability

TODO.txt

@@ -14,6 +14,11 @@ Create a simulation (calculations only)
     https://stackoverflow.com/questions/29429219/how-put-a-texture-on-pixi-js-polygon
 
 
+//TODO ERROR
+decomp.Polygon is not a constructor ERROR!!
+
+Fix weird sliding bug on the ice - rocket slides left
+
 
 Speed up sector rendering by computing once for both graphics and planet
 
@@ -91,3 +96,53 @@ science instruments
 orbital decay
 fake lagrange points
 re-entry heat
+
+Future update ideas
+    Magnetics update
+        Mag sail
+        magnetospheres
+        magnetic field detector
+        aurouras
+        solar sails
+        railguns
+        antimatter
+            container
+            collector (antimatter contained in magnetic fields of planets)
+            engine (antimatter triggered fission reactor)
+
+    Nuclear update
+        Nuclear engines / reactors
+        Radiation shielding (since craft come with it built in only really applicable for reactors)
+        Solar radiation/radiation belts
+        Fusion/fission thrusters
+            Fusion thruster
+            Nuclear lightbulb
+            Nuclear bomb solar sail
+        Nuclear bombs :D
+        Radiation beam lasers
+        Traveling wave reactor
+        Cosmic ray sensor
+
+    Science update
+        Soil scoop (robotic)
+        Weather stations
+        Lots of more telescoeps on different wavelengths
+        cameras
+        sesmic reader
+        labatories
+
+    Interstellar exploration update (big update)
+        resources
+            Water drill
+            Atmospheric scoop
+            habitats: greenhouses, waste recycling, co2 scrubbers
+            supercapciator - large battery
+
+        engines
+            methane engines (mine methane is easier)
+            water engines
+            ion engines, fusion engines, antimatter engines
+        ship
+            bigger radiators
+        planets
+            lots of new star systems to explore

public/index.html

@@ -7,8 +7,8 @@
         <link rel="stylesheet" href="css/index.css">
 
         <!-- Libaries -->
-        <script src="js/pixi.js"></script>
         <script src="js/decomp.js"></script>
+        <script src="js/pixi.js"></script>
         <script src="js/matter.js.min"></script>
 
         <!-- Init script -->

src/controls.js

@@ -17,6 +17,7 @@ window.addEventListener('wheel', function(e) {
     stage.onScroll(e);
 });
 
+/* Click events */
 window.addEventListener('click', function(e) {
     let stage = stage_handler.stages[stage_handler.current_stage];
     stage.onClick(e);

src/editor/editor-html.js

@@ -14,6 +14,17 @@ global.editorFunctions.changeEditorBuild = function(id) {
     scenes.editor.current_select_build = id;
 }
 
+global.editorFunctions.spawnCurrentRocketAtLaunchPad = function() {
+    let rocket = stage_handler.getCurrentStage().constructRocket();
+
+    rocket.control = true;
+    scenes.sim.addRocket(rocket);
+
+    console.log(rocket)
+
+    stage_handler.switchStage('sim');
+}
+
 /* Load the actual html */
 module.exports = `
     <div style="
@@ -45,6 +56,6 @@ module.exports = `
         right: 0;
         text-align: right;
     ">
-        <button>LAUNCH</button>
+        <button onclick="editorFunctions.spawnCurrentRocketAtLaunchPad()">LAUNCH</button>
     </div>
 `;

src/editor/editor.js

@@ -132,6 +132,20 @@ class Editor extends RenderableScene {
 
         this.current_build.push({ x: x, y: y, name: this.current_select_build, data: part_data });
     }
+
+    /**
+     * constructRocket - Construct a new Rocket object
+     * that can be added to the sim
+     *
+     * @return {Rocket}  Rocket built in the editor
+     */
+    constructRocket() {
+        let parts = this.current_build.map(part => new allParts.index[part.name](part.x, part.y));
+        let rocket = new Rocket(parts, Matter);
+
+        rocket.reposition(90, -100); // TODO update to launch pad coords
+        return rocket;
+    }
 }
 
 module.exports = Editor;

src/game-components/physical-scene.js

@@ -22,9 +22,9 @@ class PhysicalScene {
     }
 
     /**
-    * load - Loads a PhysicalScene into existence.
-    * Also renders the PhysicalScene, and enables physics.
-    *
+     * load - Loads a PhysicalScene into existence.
+     * Also renders the PhysicalScene, and enables physics.
+     *
      * @param  {PIXI.Container} stage           Stage to draw everything on
      * @param  {Matter.World} world             World to add physical objects to
      * @param  {Matter.Engine.Create()} engine  Matter.js engine
@@ -33,28 +33,33 @@ class PhysicalScene {
     load(stage, world, engine) {
         //init.resetAll();  // Clear the game renderer and physics engine
 
-        let bodies = [];  // Physical bodies to add to engine
-
         // Add physical sprites
-        for(let physical_sprite of this.physical_sprites) {
-            stage.addChild(physical_sprite.sprite);
-            if (!physical_sprite.skip_add_body) {
-                bodies.push(physical_sprite.body);
-            }
-        }
+        this.addPhysicalSprites(stage, this.physical_sprites);
 
         // Add non-physical sprites
         for(let sprite of this.sprites) {
             stage.addChild(sprite.sprite);
         }
 
-        // Add matterjs bodies
-        for(let body of this.bodies) {
-            bodies.push(body);
-        }
-
         // Add all physical objects
-        world.add(engine.world, bodies);
+        world.add(engine.world, this.bodies);
+    }
+
+    /**
+     * addPhysicalSprites - Adds more physical sprites
+     * to the current scene.
+     *
+     * @param  {PIXI.Container} stage   Stage to draw everything on
+     * @param  {array} physical_sprites Array of physical sprites
+     */
+    addPhysicalSprites(stage, sprites) {
+        for (let physical_sprite of sprites) {
+            stage.addChild(physical_sprite.sprite);
+            if (!physical_sprite.skip_add_body) {
+                this.bodies.push(physical_sprite.body);
+            }
+        }
+        this.physical_sprites = this.physical_sprites.concat(sprites);
     }
 
     /**

src/game-components/planet-sector.js

@@ -65,14 +65,14 @@ class PlanetSector {
         Matter.Body.setStatic(this.body, true);
 
         // Debugging
-        /* let graphics = new PIXI.Graphics();
+        /*let graphics = new PIXI.Graphics();
 
         for (let i=1;i<vert.length;i++) {
             graphics.lineStyle(20, 0xffffff)
                .moveTo(vert[i-1].x, vert[i-1].y)
                .lineTo(vert[i].x, vert[i].y);
         }
-        sim.stage.addChild(graphics); */
+        stage_handler.getStageByName('sim').stage.addChild(graphics);*/
     }
 }
 

src/game-components/rocket-part.js

@@ -23,6 +23,7 @@ class RocketPart extends PhysicalSprite {
         let body = Matter.Bodies.rectangle(x, y, width, height);
         super(image_path, width, height, body);
 
+        this.sprite.anchor.set(0, 0);
         this.image_path = image_path;
         this.skip_add_body = true;
 

src/game/rocket-parts/base-classes/thruster.js

@@ -3,7 +3,7 @@
 const RocketPart = require('../../../game-components/rocket-part.js');
 
 /**
- * A FuelTank
+ * A Thruster
  */
 class Thruster extends RocketPart {
     /**
@@ -23,7 +23,7 @@ class Thruster extends RocketPart {
         /* Blocks are the same size as the image they're from
          * and are static. Non-static blocks should be an entitySprite */
         super(image_path, width, height, x, y, data, id);
-        this.thurst = thrust;
+        this.thrust = thrust;
         this.burn_rate = burn_rate;
 
         // This class should not be constructed directly
@@ -37,9 +37,24 @@ class Thruster extends RocketPart {
      * Update method. this.rocket is set
      * in the Rocket class
      */
-    update() {
+    update(multiplier=1) {
         super.update();
-        this.rocket.applyForceToAll({x: 0, y: -0.005});
+
+        /**
+         * Angle of 0 = rocket is facing upwards. Thrust components
+         * is determiend by the following forumla:
+         *
+         * x = -sin(angle) * thrust
+         * y = -cos(angle) * thrust
+         */
+        let angle = this.rocket.body.angle;
+        Matter.Body.applyForce(
+            this.rocket.body,
+            this.body.position,
+            {
+                x: this.thrust * multiplier * Math.sin(angle),
+                y: -this.thrust * multiplier * Math.cos(angle)
+            });
     }
 }
 

src/game/rocket-parts/thruster/thruster-normal.js

@@ -29,7 +29,7 @@ class ThrusterNormal extends Thruster {
             config.build_grid_size,
             config.build_grid_size,
             x, y, DATA, 'Liquid Fuel Engine',
-            4000);
+            0.01, 0.1);
     }
 }