Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(616)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: sky/examples/game/lib/game_world.dart

Issue 1179333002: Playable demo game and bug fixes in sprites (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« sky/examples/game/lib/game_demo_world.dart ('K') | « sky/examples/game/lib/game_tests.dart ('k') | sky/examples/game/lib/node.dart » ('j') | sky/examples/game/lib/node.dart » ('J')
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: sky/examples/game/lib/game_world.dart
diff --git a/sky/examples/game/lib/game_world.dart b/sky/examples/game/lib/game_world.dart
deleted file mode 100644
index 6be46e2afa4351bfc821379b933b7c0a8b646939..0000000000000000000000000000000000000000
--- a/sky/examples/game/lib/game_world.dart
+++ /dev/null
@@ -1,191 +0,0 @@
-part of game;
-
-class GameWorld extends Node {
-
- World world;
- List<Body> bodies = [];
- Body _bodyShip;
-
- Image _imgBg;
- Image _imgAsteroid;
- Image _imgShip;
-
- double _steeringInput;
- double _thrustInput;
- double _lastSteeringSpeed = 0.0;
-
- GameWorld(ImageMap images) {
- this.width = 1024.0;
- this.height = 1024.0;
-
- // Fetch images
- _imgBg = images["https://raw.githubusercontent.com/slembcke/GalacticGuardian.spritebuilder/GDC/Packages/SpriteBuilder%20Resources.sbpack/resources-auto/BurnTexture.png"];
- _imgAsteroid = images["https://raw.githubusercontent.com/slembcke/GalacticGuardian.spritebuilder/GDC/Packages/SpriteBuilder%20Resources.sbpack/Sprites/resources-auto/asteroid_big_002.png"];
- _imgShip = images["https://raw.githubusercontent.com/slembcke/GalacticGuardian.spritebuilder/GDC/Packages/SpriteBuilder%20Resources.sbpack/Sprites/resources-auto/GG_blueship_Lv3.png"];
-
- // Create the physics world
- world = new World.withGravity(new Vector2(0.0, 0.0));
-
- // Add a background
- addBackground();
-
- // Add some asteroids to the game world
- for (int i = 0; i < 50; i++) {
- addAsteroid(10.0);
- }
- for (int i = 0; i < 50; i++) {
- addAsteroid(20.0);
- }
-
- // Add ship
- addShip();
- }
-
- void addBackground() {
- Sprite sprtBg = new Sprite.withImage(_imgBg);
- sprtBg.width = width;
- sprtBg.height = height;
- sprtBg.pivot = new Vector2(0.0, 0.0);
- this.addChild(sprtBg);
- }
-
- void addAsteroid([double radius=20.0]) {
-
- // Create shape
- final CircleShape shape = new CircleShape();
- shape.radius = radius;
-
- // Define fixture (links body and shape)
- final FixtureDef activeFixtureDef = new FixtureDef();
- activeFixtureDef.restitution = 1.0;
- activeFixtureDef.density = 0.05;
- activeFixtureDef.shape = shape;
-
- // Define body
- final BodyDef bodyDef = new BodyDef();
- bodyDef.type = BodyType.DYNAMIC;
- bodyDef.position = new Vector2(0.0, 30.0);
- bodyDef.linearDamping = 0.0;
- bodyDef.angularDamping = 0.0;
-
- // Create body and fixture from definitions
- final Body body = world.createBody(bodyDef);
- body.createFixtureFromFixtureDef(activeFixtureDef);
-
- // Set position of object
- Math.Random rand = new Math.Random();
- body.setTransform(new Vector2(rand.nextDouble() * this.width, rand.nextDouble() * this.height), 0.0);
- body.applyLinearImpulse(new Vector2(rand.nextDouble()*10000.0-5000.0, rand.nextDouble()*10000.0-5000.0), new Vector2(0.0, 0.0), true);
-
- // Add to list
- bodies.add(body);
-
- // Create sprite
- Sprite sprt = new Sprite.withImage(_imgAsteroid);
- sprt.width = radius*2;
- sprt.height = radius*2;
-// sprt.colorOverlay = new Color(0x33ff0000);
-// sprt.transferMode = TransferMode.plusMode;
- body.userData = sprt;
- this.addChild(sprt);
- }
-
- void addShip() {
- double radius = 30.0;
-
- // Create shape
- final CircleShape shape = new CircleShape();
- shape.radius = radius;
-
- // Define fixture (links body and shape)
- final FixtureDef activeFixtureDef = new FixtureDef();
- activeFixtureDef.restitution = 1.0;
- activeFixtureDef.density = 0.05;
- activeFixtureDef.shape = shape;
-
- // Define body
- final BodyDef bodyDef = new BodyDef();
- bodyDef.type = BodyType.DYNAMIC;
- bodyDef.position = new Vector2(0.0, 30.0);
- bodyDef.linearDamping = 0.0;
- bodyDef.angularDamping = 0.95;
-
- // Create body and fixture from definitions
- final Body body = world.createBody(bodyDef);
- body.createFixtureFromFixtureDef(activeFixtureDef);
-
- // Center on screen
- body.setTransform(new Vector2(width/2.0, height/2.0), 90.0);
-
- // Add to list
- bodies.add(body);
- _bodyShip = body;
-
- // Create sprite
- Sprite sprt = new Sprite.withImage(_imgShip);
- sprt.width = radius*2;
- sprt.height = radius*2;
- sprt.position = new Vector2(width/2.0, height/2.0);
- body.userData = sprt;
- this.addChild(sprt);
- }
-
- void update(double dt) {
- // Apply thrust
- if (_thrustInput != null) {
- double force = _thrustInput*10000.0;
- double rad = degrees2radians(_bodyShip.getAngle());
- _bodyShip.applyLinearImpulse(new Vector2(Math.cos(rad)*force, Math.sin(rad)*force), new Vector2(0.0, 0.0), true);
- }
-
- // Simulate world
- world.stepDt(1.0/60.0, 10, 10); // Pass in dt
-
- // Apply stearing
- if (_steeringInput != null) {
- _lastSteeringSpeed = _steeringInput * 4.0;
- }
- else {
- _lastSteeringSpeed *= 0.75;
- }
- _bodyShip.setTransform(_bodyShip.position, _bodyShip.getAngle() + _lastSteeringSpeed);
-
- // Update all sprites
- bodies.forEach(updateBody);
- }
-
- void updateBody(Body body) {
- Sprite sprt = body.userData;
- double rot = 0.0; //body.getRotation();
-
- // Check bounds and warp objects
- if (body.position[0] < -sprt.width/2) {
- body.setTransform(new Vector2(body.position[0] + this.width + sprt.width, body.position[1]), rot);
- }
- if (body.position[0] > this.width + sprt.width/2) {
- body.setTransform(new Vector2(body.position[0] - (this.width + sprt.width), body.position[1]), rot);
- }
- if (body.position[1] < -sprt.height/2) {
- body.setTransform(new Vector2(body.position[0], body.position[1] + this.height + sprt.height), rot);
- }
- if (body.position[1] > this.height + sprt.height/2) {
- body.setTransform(new Vector2(body.position[0], body.position[1] - (this.height + sprt.height)), rot);
- }
-
- // Update sprite
- sprt.position = body.position;
- sprt.rotation = body.getAngle();
- }
-
- void controlSteering(double input) {
- _steeringInput = input;
- }
-
- void controlThrust(double input) {
- _thrustInput = input;
- }
-
- void controlFire() {
-
- }
-}
« sky/examples/game/lib/game_demo_world.dart ('K') | « sky/examples/game/lib/game_tests.dart ('k') | sky/examples/game/lib/node.dart » ('j') | sky/examples/game/lib/node.dart » ('J')

Powered by Google App Engine
This is Rietveld 408576698