Added Space Dominators

Games/Space_Dominators/app.js

@@ -0,0 +1,224 @@
+/*
+    Javascript Space Game
+    By Nishant kaushal  
+
+*/
+
+'use strict';
+
+const clampCamera = !debug;
+const lowGraphicsSettings = glOverlay = !window['chrome']; // only chromium uses high settings
+const startCameraScale = 4*16;
+const defaultCameraScale = 4*16;
+const maxPlayers = 4;
+
+const team_none = 0;
+const team_player = 1;
+const team_enemy = 2;
+
+let updateWindowSize, renderWindowSize, gameplayWindowSize;
+
+engineInit(
+
+///////////////////////////////////////////////////////////////////////////////
+()=> // appInit 
+{
+    resetGame();
+    cameraScale = startCameraScale;
+},
+
+///////////////////////////////////////////////////////////////////////////////
+()=> // appUpdate
+{
+    const cameraSize = vec2(mainCanvas.width, mainCanvas.height).scale(1/cameraScale);
+    renderWindowSize = cameraSize.add(vec2(5));
+
+    gameplayWindowSize = vec2(mainCanvas.width, mainCanvas.height).scale(1/defaultCameraScale);
+    updateWindowSize = gameplayWindowSize.add(vec2(30));
+    //debugRect(cameraPos, maxGameplayCameraSize);
+    //debugRect(cameraPos, updateWindowSize);
+
+    if (debug)
+    {
+        randSeeded(randSeeded(randSeeded(randSeed = Date.now()))); // set random seed for debug mode stuf
+        if (keyWasPressed(81))
+            new Enemy(mousePosWorld);
+
+        if (keyWasPressed(84))
+        {
+            //for(let i=30;i--;)
+                new Prop(mousePosWorld);
+        }
+
+        if (keyWasPressed(69))
+            explosion(mousePosWorld);
+
+        if (keyIsDown(89))
+        {
+            let e = new ParticleEmitter(mousePosWorld);
+
+            // test
+            e.collideTiles = 1;
+            //e.tileIndex=7;
+            e.emitSize = 2;
+            e.colorStartA = new Color(1,1,1,1);
+            e.colorStartB = new Color(0,1,1,1);
+            e.colorEndA = new Color(0,0,1,0);
+            e.colorEndB = new Color(0,.5,1,0);
+            e.emitConeAngle = .1;
+            e.particleTime = 1
+            e.speed = .3
+            e.elasticity = .1
+            e.gravityScale = 1;
+            //e.additive = 1;
+            e.angle = -PI;
+        }
+
+        if (mouseWheel) // mouse zoom
+            cameraScale = clamp(cameraScale*(1-mouseWheel/10), defaultTileSize.x*16, defaultTileSize.x/16);
+
+        //if (keyWasPressed(77))
+        //    playSong([[[,0,219,,,,,1.1,,-.1,-50,-.05,-.01,1],[2,0,84,,,.1,,.7,,,,.5,,6.7,1,.05]],[[[0,-1,1,0,5,0],[1,1,8,8,0,3]]],[0,0,0,0],90]) // music test
+
+        if (keyWasPressed(77))
+            players[0].pos = mousePosWorld;
+
+        /*if (keyWasPressed(32))
+        {
+            skyParticles && skyParticles.destroy();
+            tileLayer.destroy();
+            tileBackgroundLayer.destroy();
+            tileParallaxLayers.forEach((tileParallaxLayer)=>tileParallaxLayer.destroy());
+            randomizeLevelParams();
+            applyArtToLevel();
+        }*/
+        if (keyWasPressed(78))
+            nextLevel();
+    }
+
+    // restart if no lives left
+    let minDeadTime = 1e3;
+    for(const player of players)
+        minDeadTime = min(minDeadTime, player && player.isDead() ? player.deadTimer.get() : 0);
+
+    if (minDeadTime > 3 && (keyWasPressed(90) || keyWasPressed(32) || gamepadWasPressed(0)) || keyWasPressed(82))
+        resetGame();
+
+    if (levelEndTimer.get() > 3)
+        nextLevel();
+},
+
+///////////////////////////////////////////////////////////////////////////////
+()=> // appUpdatePost
+{
+    if (players.length == 1)
+    {
+        const player = players[0];
+        if (!player.isDead())
+            cameraPos = cameraPos.lerp(player.pos, clamp(player.getAliveTime()/2));
+    }
+    else
+    {
+        // camera follows average pos of living players
+        let posTotal = vec2();
+        let playerCount = 0;
+        let cameraOffset = 1;
+        for(const player of players)
+        {
+            if (player && !player.isDead())
+            {
+                ++playerCount;
+                posTotal = posTotal.add(player.pos.add(vec2(0,cameraOffset)));
+            }
+        }
+
+        if (playerCount)
+            cameraPos = cameraPos.lerp(posTotal.scale(1/playerCount), .2);
+    }
+
+    // spawn players if they don't exist
+    for(let i = maxPlayers;i--;)
+    {
+        if (!players[i] && (gamepadWasPressed(0, i)||gamepadWasPressed(1, i)))
+        {
+            ++playerLives;
+            new Player(checkpointPos, i);
+        }
+    }
+
+    // clamp to bottom and sides of level
+    if (clampCamera)
+    {
+        const w = mainCanvas.width/2/cameraScale+1;
+        const h = mainCanvas.height/2/cameraScale+2;
+        cameraPos.y = max(cameraPos.y, h);
+        if (w*2 < tileCollisionSize.x)
+            cameraPos.x = clamp(cameraPos.x, tileCollisionSize.x - w, w);
+    }
+
+    updateParallaxLayers();
+
+    updateSky();
+},
+
+///////////////////////////////////////////////////////////////////////////////
+()=> // appRender
+{
+    const gradient = mainContext.createLinearGradient(0,0,0,mainCanvas.height);
+    gradient.addColorStop(0,levelSkyColor.rgba());
+    gradient.addColorStop(1,levelSkyHorizonColor.rgba());
+    mainContext.fillStyle = gradient;
+    //mainContext.fillStyle = levelSkyColor.rgba();
+    mainContext.fillRect(0,0,mainCanvas.width, mainCanvas.height);
+
+    drawStars();
+},
+
+///////////////////////////////////////////////////////////////////////////////
+()=> // appRenderPost
+{
+    //let minAliveTime = 9;
+    //for(const player of players)
+    //    minAliveTime = min(minAliveTime, player.getAliveTime());
+
+    //const livesPercent = percent(minAliveTime, 5, 4)
+    //const s = 8;
+    //const offset = 100*livesPercent;
+    //mainContext.drawImage(tileImage, 32, 8, s, s, 32, mainCanvas.height-90, s*9, s*9);
+    mainContext.textAlign = 'center';
+    const p = percent(gameTimer.get(), 8, 10);
+
+    //mainContext.globalCompositeOperation = 'difference';
+    mainContext.fillStyle = new Color(0,0,0,p).rgba();
+    if (p > 0)
+    {
+        //mainContext.fillStyle = (new Color).setHSLA(time/3,1,.5,p).rgba();
+        mainContext.font = '1.5in impact';
+        mainContext.fillText(' space dominator', mainCanvas.width/2, 140);
+    }
+
+    mainContext.font = '.5in impact';
+    p > 0 && mainContext.fillText('A    Game by Nishant kaushal',mainCanvas.width/2, 210);
+
+    // check if any enemies left
+    let enemiesCount = 0;
+    for (const o of engineCollideObjects)
+    {
+        if (o.isCharacter && o.team  == team_enemy)
+        {
+            ++enemiesCount;
+            const pos = vec2(mainCanvas.width/2 + (o.pos.x - cameraPos.x)*30,mainCanvas.height-20);
+            drawRectScreenSpace(pos, o.size.scale(20), o.color.scale(1,.6));
+        }
+    }
+
+    if (!enemiesCount && !levelEndTimer.isSet())
+        levelEndTimer.set();
+
+    mainContext.fillStyle = new Color(0,0,0).rgba();
+    mainContext.fillText('Level ' + level + '      Lives ' + playerLives + '      Enemies ' + enemiesCount, mainCanvas.width/2, mainCanvas.height-40);
+
+    // fade in level transition
+    const fade = levelEndTimer.isSet() ? percent(levelEndTimer.get(), 3, 1) : percent(levelTimer.get(), .5, 2);
+    drawRect(cameraPos, vec2(1e3), new Color(0,0,0,fade))
+});