Merge pull request #28 from tomaustn/patch-1

Create walkies.js
lancaster-university · Jun 1, 2024 · 08d94c7 · 08d94c7
2 parents 65906e7 + e956382
commit 08d94c7
Showing 1 changed file with 119 additions and 0 deletions.
diff --git a/web/priv/js_effects/walkies.js b/web/priv/js_effects/walkies.js
@@ -0,0 +1,119 @@
+return class MyEffect {
+  constructor(display) {
+    this.display = display;
+    this.frame = 0;
+    this.speed = 3; // speed
+    this.#clear();
+  }
+
+  #clear() {
+    for (let x = 0; x < this.display.width; x++) {
+      for (let y = 0; y < this.display.height; y++) {
+        if (y >= Math.floor(this.display.height * 0.75)) {
+          // grass
+          this.display.setPixel(x, y, [0, 255, 0]);
+        } else {
+          // sky
+          this.display.setPixel(x, y, [135, 206, 235]);
+        }
+      }
+    }
+
+    const sunRadius = 5;
+    const sunCenterX = this.display.width - sunRadius - 1;
+    const sunCenterY = sunRadius + 1;
+
+    // sun
+    for (let i = -sunRadius; i <= sunRadius; i++) {
+      for (let j = -sunRadius; j <= sunRadius; j++) {
+        if (i * i + j * j <= sunRadius * sunRadius) {
+          const targetX = sunCenterX + i;
+          const targetY = sunCenterY + j;
+          if (targetX >= 0 && targetX < this.display.width && targetY >= 0 && targetY < this.display.height) {
+            this.display.setPixel(targetX, targetY, [255, 233, 81]);
+          }
+        }
+      }
+    }
+
+    // Drawing the clouds
+    this.#drawCloud(10, 5);
+    this.#drawCloud(34, 15);
+    this.#drawCloud(70, 6);
+    this.#drawCloud(90, 18);
+  }
+
+  #drawCloud(x, y) {
+    const CLOUD_PIXEL_MAP = [
+      [0, 0, 1, 1, 1, 0, 0],
+      [0, 1, 1, 1, 1, 1, 0],
+      [1, 1, 1, 1, 1, 1, 1],
+      [1, 1, 1, 1, 1, 1, 1],
+      [0, 1, 1, 1, 1, 1, 0],
+      [0, 0, 1, 1, 1, 0, 0]
+    ];
+
+    const CLOUD_COLOR = [255, 255, 255]; // cloud
+
+    for (let i = 0; i < CLOUD_PIXEL_MAP.length; i++) {
+      for (let j = 0; j < CLOUD_PIXEL_MAP[i].length; j++) {
+        if (CLOUD_PIXEL_MAP[i][j]) {
+          const targetX = x + j;
+          const targetY = y + i;
+
+          if (targetX >= 0 && targetX < this.display.width && targetY >= 0 && targetY < this.display.height) {
+            this.display.setPixel(targetX, targetY, CLOUD_COLOR);
+          }
+        }
+      }
+    }
+  }
+
+  #drawCoco(x, y) {
+    const COCO_PIXEL_MAP_16 = [
+      [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+      [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+      [0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0],
+      [0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0],
+      [0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0],
+      [0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0],
+      [0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0],
+      [0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0],
+      [0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0],
+      [0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0],
+      [0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0]
+    ]; 
+
+    const COCO_COLOR = [232, 190, 73]; 
+
+    for (let i = 0; i < COCO_PIXEL_MAP_16.length; i++) {
+      for (let j = 0; j < COCO_PIXEL_MAP_16[i].length; j++) {
+        if (COCO_PIXEL_MAP_16[i][j]) {
+          const targetX = x + j;
+          const targetY = y + i;
+
+          if (targetX >= 0 && targetX < this.display.width && targetY >= 0 && targetY < this.display.height) {
+            this.display.setPixel(targetX, targetY, COCO_COLOR);
+          }
+        }
+      }
+    }
+  }
+
+  update() {
+    this.#clear();
+
+    const y = Math.floor(this.display.height * 0.75) - 16; // dogheight = 16
+    const x = ((Math.floor(this.frame / this.speed)) % (this.display.width + 16)) - 16; // check head on screen whilst running
+
+    this.#drawCoco(x, y);
+
+    this.display.flush();
+    this.frame++;
+  }
+}