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Butterfly.pde

@@ -0,0 +1,67 @@
+class Butterfly {
+    float x;
+    float y;
+    float z;
+    float wingAngle = PI;
+    int wingDirection = 1;
+    float wingFlapSpeed = 0.05;
+    float wingFlapRange = QUARTER_PI;
+    float perlinOffsetX;
+    float perlinOffsetY;
+    float perlinOffsetZ;
+    boolean isBeingCaught = false;
+
+    Butterfly(float x, float y, float z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.perlinOffsetX = random(1000);
+        this.perlinOffsetY = random(1000);
+        this.perlinOffsetZ = random(1000);
+    }
+
+    void draw() {
+        pushMatrix();
+        rotateX(HALF_PI);
+
+        z = map(noise(perlinOffsetX, millis() * 0.0002), 0, 1, 400, 600);
+        x = map(noise(perlinOffsetY, millis() * 0.0001), 0, 1, 0, terrainLength * cubeWidth);
+        y = map(noise(perlinOffsetZ, millis() * 0.0001), 0, 1, 0, terrainWidth * cubeWidth);
+
+        fill(0, 191, 255);
+        translate(x, y, z);
+        box(3, 3, 3);
+        translate(-1, 1, 2);
+        box(2, 2, 2);
+        translate(1, -2, -1);
+
+        float wingFlap = sin(wingAngle) * wingFlapRange;
+        rotateX(wingFlap);
+
+        wingDirection = (wingAngle >= PI + wingFlapRange || wingAngle <= PI - wingFlapRange) ? -wingDirection : wingDirection;
+
+        wingAngle += wingDirection * wingFlapSpeed;
+
+        fill(0, 191, 255);
+        drawWing(3, 5);
+
+        rotateX(-wingFlap);
+        translate(1, 1);
+        rotateZ(HALF_PI);
+
+        rotateX(wingFlap);
+
+        fill(0, 191, 255);
+        drawWing(3, 5);
+        popMatrix();
+    }
+
+    void drawWing(float width, float length) {
+        beginShape();
+        vertex(-width / 2, 0);
+        vertex(width / 2, 0);
+        vertex(width / 4, -length);
+        vertex(-width / 4, -length);
+        endShape(CLOSE);
+    }
+}