Add a new waterdrop effect

core/src/io/github/lonamiwebs/klooni/Klooni.java

@@ -30,6 +30,7 @@ import com.badlogic.gdx.scenes.scene2d.ui.Skin;
 import io.github.lonamiwebs.klooni.effects.EvaporateEffect;
 import io.github.lonamiwebs.klooni.effects.IEffect;
 import io.github.lonamiwebs.klooni.effects.VanishEffect;
+import io.github.lonamiwebs.klooni.effects.WaterdropEffect;
 import io.github.lonamiwebs.klooni.game.Cell;
 import io.github.lonamiwebs.klooni.screens.MainMenuScreen;
 import io.github.lonamiwebs.klooni.screens.TransitionScreen;
@@ -119,6 +120,8 @@ public class Klooni extends Game {
 
     // Effects used when clearing a row
     public static IEffect createEffect(final Cell deadCell, final Vector2 culprit) {
+        // TODO Every effect should probably return a string corresponding to their sound
+        // so there's only one switch around
         final IEffect effect;
         switch (usedEffect) {
             default:
@@ -126,6 +129,9 @@ public class Klooni extends Game {
                 effect = new VanishEffect();
                 break;
             case 1:
+                effect = new WaterdropEffect();
+                break;
+            case 2:
                 effect = new EvaporateEffect();
                 break;
         }
@@ -235,6 +241,9 @@ public class Klooni extends Game {
                 effectSound = Gdx.audio.newSound(Gdx.files.internal("sound/effect_vanish.mp3"));
                 break;
             case 1:
+                effectSound = Gdx.audio.newSound(Gdx.files.internal("sound/effect_waterdrop.mp3"));
+                break;
+            case 2:
                 effectSound = Gdx.audio.newSound(Gdx.files.internal("sound/effect_evaporate.mp3"));
                 break;
         }
@@ -245,7 +254,8 @@ public class Klooni extends Game {
         // and when creating instances of a lot of effects it's better if we can
         // save some processor cycles.
         if (name.equals("vanish")) return 0;
-        if (name.equals("evaporate")) return 1;
+        if (name.equals("waterdrop")) return 1;
+        if (name.equals("evaporate")) return 2;
         return -1;
     }
 

core/src/io/github/lonamiwebs/klooni/effects/WaterdropEffect.java

@@ -0,0 +1,69 @@
+package io.github.lonamiwebs.klooni.effects;
+
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.graphics.Color;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.math.MathUtils;
+import com.badlogic.gdx.math.Vector2;
+
+import io.github.lonamiwebs.klooni.SkinLoader;
+import io.github.lonamiwebs.klooni.game.Cell;
+
+public class WaterdropEffect implements IEffect {
+    private Vector2 pos;
+
+    private Color cellColor;
+    private Color dropColor;
+    private float cellSize;
+
+    private final float fallAcceleration;
+    private float fallSpeed;
+
+    private static final float FALL_ACCELERATION = 500.0f;
+    private static final float FALL_VARIATION = 50.0f;
+    private static final float COLOR_SPEED = 7.5f;
+
+    private static Texture dropTexture;
+
+    static {
+        dropTexture = SkinLoader.loadPng("cells/drop.png");
+    }
+
+    public WaterdropEffect() {
+        fallAcceleration = FALL_ACCELERATION + MathUtils.random(-FALL_VARIATION, FALL_VARIATION);
+    }
+
+    @Override
+    public void setInfo(Cell deadCell, Vector2 culprit) {
+        pos = deadCell.pos.cpy();
+        cellSize = deadCell.size;
+        cellColor = deadCell.getColorCopy();
+        dropColor = new Color(cellColor.r, cellColor.g, cellColor.b, 0.0f);
+    }
+
+    @Override
+    public void draw(SpriteBatch batch) {
+        final float dt = Gdx.graphics.getDeltaTime();
+        fallSpeed += fallAcceleration * dt;
+        pos.y -= fallSpeed * dt;
+
+        cellColor.set(
+                cellColor.r, cellColor.g, cellColor.b,
+                Math.max(cellColor.a - COLOR_SPEED * dt, 0.0f)
+        );
+        dropColor.set(
+                cellColor.r, cellColor.g, cellColor.b,
+                Math.min(dropColor.a + COLOR_SPEED * dt, 1.0f)
+        );
+
+        Cell.draw(cellColor, batch, pos.x, pos.y, cellSize);
+        Cell.draw(dropTexture, dropColor, batch, pos.x, pos.y, cellSize);
+    }
+
+    @Override
+    public boolean isDone() {
+        return pos.y + dropTexture.getHeight() < 0;
+    }
+}

original-resources/buttons.svg

@@ -19,6 +19,22 @@
    sodipodi:docname="buttons.svg">
   <defs
      id="defs4">
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient4666">
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1"
+         offset="0"
+         id="stop4662" />
+      <stop
+         id="stop4676"
+         offset="0.42713729"
+         style="stop-color:#ffffff;stop-opacity:0.79607844" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:0.4627451"
+         offset="1"
+         id="stop4664" />
+    </linearGradient>
     <linearGradient
        inkscape:collect="always"
        id="linearGradient4659">
@@ -117,6 +133,17 @@
        r="6.9998441"
        gradientUnits="userSpaceOnUse"
        gradientTransform="matrix(0.43721182,3.7482347e-7,-3.6476786e-7,0.42548248,33.63808,466.20236)" />
+    <radialGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient4666"
+       id="radialGradient4670"
+       cx="182.82529"
+       cy="803.41022"
+       fx="182.82529"
+       fy="803.41022"
+       r="17.166115"
+       gradientTransform="matrix(1.3089405,0.20493947,-0.2507187,1.6013308,145.62096,-521.43256)"
+       gradientUnits="userSpaceOnUse" />
   </defs>
   <sodipodi:namedview
      id="base"
@@ -125,9 +152,9 @@
      borderopacity="1"
      inkscape:pageopacity="0"
      inkscape:pageshadow="2"
-     inkscape:zoom="0.82062205"
-     inkscape:cx="328.41208"
-     inkscape:cy="62.530961"
+     inkscape:zoom="1"
+     inkscape:cx="-18.655028"
+     inkscape:cy="163.7511"
      inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="false"
@@ -1155,5 +1182,29 @@
          d="m 28.96558,851.96616 c 0.835392,-0.69063 1.986545,-1.09077 3.070271,-1.07103 1.047321,0.0191 2.170527,0.41835 2.927466,1.14243 0.977909,0.93545 1.646441,2.3596 1.642238,3.71288 l -0.0714,22.99133 c -0.0026,0.83573 -0.291448,1.74078 -0.85682,2.35626 -0.958108,1.04302 -2.439879,1.8216 -3.855688,1.78503 -1.479356,-0.0382 -3.055098,-0.87499 -3.927089,-2.07064 -0.484195,-0.66392 -0.425936,-1.60594 -0.428411,-2.42766 l -0.0714,-23.70534 c -0.0031,-1.04505 0.765383,-2.04738 1.570833,-2.71326 z"
          style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.93750006px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
     </g>
+    <g
+       id="drop">
+      <g
+         style="fill:#808080"
+         id="g4655"
+         inkscape:export-xdpi="90"
+         inkscape:export-ydpi="90"
+         transform="matrix(3.0000588,0,0,3.0000588,164.80126,-2123.8991)">
+        <rect
+           ry="0"
+           y="966.36218"
+           x="0"
+           height="16"
+           width="16"
+           id="rect4651"
+           style="opacity:1;fill:none;fill-opacity:1;stroke:none;stroke-width:0.1;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" />
+      </g>
+      <path
+         sodipodi:nodetypes="ssscs"
+         inkscape:connector-curvature="0"
+         id="path4659"
+         d="m 205.96784,806.0791 c 0,9.48058 -7.68553,17.16612 -17.16611,17.16612 -9.48059,0 -17.16612,-7.68553 -17.16612,-17.16612 0,-9.48059 17.16612,-30.83148 17.16612,-30.83148 0,0 17.16611,21.3509 17.16611,30.83148 z"
+         style="fill:url(#radialGradient4670);fill-opacity:1;stroke:none;stroke-width:1.15489137;stroke-opacity:1" />
+    </g>
   </g>
 </svg>

original-resources/gen-ui-png.py

@@ -41,7 +41,8 @@ ids = [
 cells = [
     'basic',
     'bubble',
-    'ghost'
+    'ghost',
+    'drop'
 ]
 
 inkscape_default_dpi = 90