Merge branch 'main' into extension

birb.js

@@ -685,6 +685,7 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	let targetY = 0;
 	/** @type {HTMLElement|null} */
 	let focusedElement = null;
+	let focusedBounds = { left: 0, right: 0, top: 0 };
 	let lastActionTimestamp = Date.now();
 	/** @type {number[]} */
 	let petStack = [];
@@ -958,11 +959,6 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 
 		window.addEventListener("scroll", () => {
 			lastActionTimestamp = Date.now();
-			// Can't keep up with scrolling on mobile devices so fly down instead
-			if (isMobile()) {
-				// focusOnGround();
-			}
-
 		});
 
 		onClick(document, (e) => {
@@ -1028,12 +1024,20 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			// Won't be restored on fullscreen exit
 		}
 
-		if (currentState === States.IDLE) {
-			if (Math.random() < 1 / (60 * 3) && currentAnimation !== Animations.HEART && !isMenuOpen()) {
+		if (currentState === States.IDLE && !frozen && !isMenuOpen()) {
+			if (Math.random() < 1 / (60 * 3) && currentAnimation !== Animations.HEART) {
 				hop();
-			} else if (focusedElement !== null && Math.random() < 1 / (60 * 20) && Date.now() - lastActionTimestamp > AFK_TIME && !isMenuOpen()) {
-				focusOnElement();
-				lastActionTimestamp = Date.now();
+			} else if (Date.now() - lastActionTimestamp > AFK_TIME) {
+				// Idle for a while, do something
+				if (focusedElement === null) {
+					// Fly to an element
+					focusOnElement();
+					lastActionTimestamp = Date.now();
+				} else if (Math.random() < 1 / (60 * 20)) {
+					// Fly to another element if idle for a longer while
+					focusOnElement();
+					lastActionTimestamp = Date.now();
+				}
 			}
 		} else if (currentState === States.HOP) {
 			if (updateParabolicPath(HOP_SPEED)) {
@@ -1057,14 +1061,14 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			return;
 		}
 
+		updateFocusedElementBounds();
+
 		// Update the bird's position
 		if (currentState === States.IDLE) {
-			if (focusedElement !== null) {
-				birdY = getFocusedElementY() - 0.5;
-				if (!isWithinHorizontalBounds()) {
-					focusOnGround();
-				}
+			if (focusedElement && !isWithinHorizontalBounds()) {
+				focusOnGround();
 			}
+			birdY = getFocusedY();
 		} else if (currentState === States.FLYING) {
 			// Fly to target location (even if in the air)
 			if (updateParabolicPath(FLY_SPEED)) {
@@ -1072,18 +1076,13 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			}
 		}
 
-		if (focusedElement === null) {
-			if (Date.now() - lastActionTimestamp > AFK_TIME && !isMenuOpen()) {
-				// Fly to an element if the user is AFK
-				focusOnElement();
-				lastActionTimestamp = Date.now();
-			}
-		} else if (focusedElement !== null) {
-			targetY = getFocusedElementY();
-			if (targetY < 0 || targetY > window.innerHeight) {
-				// Fly to ground if the focused element moves out of bounds
-				focusOnGround();
-			}
+		const oldTargetY = targetY;
+		targetY = getFocusedY();
+		// Adjust startY to account for scrolling
+		startY += targetY - oldTargetY;
+		if (targetY < 0 || targetY > window.innerHeight) {
+			// Fly to ground if the focused element moves out of bounds
+			focusOnGround();
 		}
 
 		ctx.clearRect(0, 0, canvas.width, canvas.height);
@@ -1659,34 +1658,37 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	}
 
 	function getFocusedElementRandomX() {
-		if (focusedElement === null) {
-			return Math.random() * window.innerWidth;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return Math.random() * (rect.right - rect.left) + rect.left;
+		return Math.random() * (focusedBounds.right - focusedBounds.left) + focusedBounds.left;
 	}
 
 	function isWithinHorizontalBounds() {
-		if (focusedElement === null) {
-			return true;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return birdX >= rect.left && birdX <= rect.right;
+		return birdX >= focusedBounds.left && birdX <= focusedBounds.right;
 	}
 
-	function getFocusedElementY() {
-		if (focusedElement === null) {
-			return 0;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return window.innerHeight - rect.top;
+	function getFocusedY() {
+		return getFullWindowHeight() - focusedBounds.top;
 	}
 
+	/**
+	 * @returns The render-safe height of the inner browser window
+	 */
+	function getSafeWindowHeight() {
+		// Necessary because iOS 26 Safari is terrible and won't render
+		// fixed elements behind the address bar
+		return window.innerHeight;
+	}
+
+	/**
+	 * @returns The true height of the inner browser window
+	 */
+	function getFullWindowHeight() {
+		return document.documentElement.clientHeight;
+	}
+	
 	function focusOnGround() {
-		if (focusedElement === null) {
-			return;
-		}
+		console.log("Focusing on ground");
 		focusedElement = null;
+		focusedBounds = { left: 0, right: window.innerWidth, top: getSafeWindowHeight() };
 		flyTo(Math.random() * window.innerWidth, 0);
 	}
 
@@ -1708,7 +1710,23 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		}
 		const randomElement = largeElements[Math.floor(Math.random() * largeElements.length)];
 		focusedElement = randomElement;
-		flyTo(getFocusedElementRandomX(), getFocusedElementY());
+		log("Focusing on element: ", focusedElement);
+		updateFocusedElementBounds();
+		flyTo(getFocusedElementRandomX(), getFocusedY());
+	}
+
+	function updateFocusedElementBounds() {
+		if (focusedElement === null) {
+			// Update ground location to bottom of window
+			focusedBounds = { left: 0, right: window.innerWidth, top: getFullWindowHeight() };
+			return;
+		}
+		const rect = focusedElement.getBoundingClientRect();
+		focusedBounds = {
+			left: rect.left,
+			right: rect.right,
+			top: rect.top
+		};
 	}
 
 	function getCanvasWidth() {
@@ -1724,25 +1742,14 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			return;
 		}
 		if (currentState === States.IDLE) {
-			// Determine bounds for hopping
-			let minX = 0;
-			let maxX = window.innerWidth;
-			let y = 0;
-			if (focusedElement !== null) {
-				// Hop on the element
-				const rect = focusedElement.getBoundingClientRect();
-				minX = rect.left;
-				maxX = rect.right;
-				y = window.innerHeight - rect.top;
-			}
 			setState(States.HOP);
 			setAnimation(Animations.FLYING);
-			if ((Math.random() < 0.5 && birdX - HOP_DISTANCE > minX) || birdX + HOP_DISTANCE > maxX) {
+			if ((Math.random() < 0.5 && birdX - HOP_DISTANCE > focusedBounds.left) || birdX + HOP_DISTANCE > focusedBounds.right) {
 				targetX = birdX - HOP_DISTANCE;
 			} else {
 				targetX = birdX + HOP_DISTANCE;
 			}
-			targetY = y;
+			targetY = getFocusedY();
 		}
 	}
 
@@ -1769,6 +1776,13 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		setAnimation(Animations.FLYING);
 	}
 
+	/**
+	 * @returns {boolean} Whether the bird should be absolutely positioned
+	 */
+	function isAbsolute() {
+		return focusedElement !== null && (currentState === States.IDLE || currentState === States.HOP);
+	}
+
 	/**
 	 * Set the current animation and reset the animation timer
 	 * @param {Anim} animation
@@ -1790,6 +1804,12 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		if (state === States.IDLE) {
 			setAnimation(Animations.BOB);
 		}
+		if (isAbsolute()) {
+			canvas.classList.add("birb-absolute");
+		} else {
+			canvas.classList.remove("birb-absolute");
+		}
+		setY(birdY);
 	}
 
 	/**
@@ -1804,7 +1824,15 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	 * @param {number} y
 	 */
 	function setY(y) {
-		canvas.style.bottom = `${y}px`;
+		let bottom;
+		if (isAbsolute()) {
+			// Position is absolute, convert from fixed
+			bottom = y - window.scrollY;
+		} else {
+			// Position is fixed
+			bottom = y;
+		}
+		canvas.style.bottom = `${bottom}px`;
 	}
 });
 

build.js

@@ -34,13 +34,13 @@ try {
 
 const userScriptHeader =
 `// ==UserScript==
-// @name         Browser Bird
+// @name         Pocket Bird
 // @namespace    https://idreesinc.com
 // @version      ${version}
 // @description  birb
 // @author       Idrees
-// @downloadURL  https://github.com/IdreesInc/Browser-Bird/raw/refs/heads/main/dist/birb.user.js
-// @updateURL    https://github.com/IdreesInc/Browser-Bird/raw/refs/heads/main/dist/birb.user.js
+// @downloadURL  https://github.com/IdreesInc/Pocket-Bird/raw/refs/heads/main/dist/birb.user.js
+// @updateURL    https://github.com/IdreesInc/Pocket-Bird/raw/refs/heads/main/dist/birb.user.js
 // @match        *://*/*
 // @grant        GM_setValue
 // @grant        GM_getValue

dist/birb.js

@@ -74,6 +74,10 @@ const STYLESHEET = `:root {
 	cursor: pointer;
 }
 
+.birb-absolute {
+	position: absolute !important;
+}
+
 .birb-decoration {
 	image-rendering: pixelated;
 	position: fixed;
@@ -1024,6 +1028,7 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	let targetY = 0;
 	/** @type {HTMLElement|null} */
 	let focusedElement = null;
+	let focusedBounds = { left: 0, right: 0, top: 0 };
 	let lastActionTimestamp = Date.now();
 	/** @type {number[]} */
 	let petStack = [];
@@ -1297,11 +1302,6 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 
 		window.addEventListener("scroll", () => {
 			lastActionTimestamp = Date.now();
-			// Can't keep up with scrolling on mobile devices so fly down instead
-			if (isMobile()) {
-				// focusOnGround();
-			}
-
 		});
 
 		onClick(document, (e) => {
@@ -1367,12 +1367,20 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			// Won't be restored on fullscreen exit
 		}
 
-		if (currentState === States.IDLE) {
-			if (Math.random() < 1 / (60 * 3) && currentAnimation !== Animations.HEART && !isMenuOpen()) {
+		if (currentState === States.IDLE && !frozen && !isMenuOpen()) {
+			if (Math.random() < 1 / (60 * 3) && currentAnimation !== Animations.HEART) {
 				hop();
-			} else if (focusedElement !== null && Math.random() < 1 / (60 * 20) && Date.now() - lastActionTimestamp > AFK_TIME && !isMenuOpen()) {
-				focusOnElement();
-				lastActionTimestamp = Date.now();
+			} else if (Date.now() - lastActionTimestamp > AFK_TIME) {
+				// Idle for a while, do something
+				if (focusedElement === null) {
+					// Fly to an element
+					focusOnElement();
+					lastActionTimestamp = Date.now();
+				} else if (Math.random() < 1 / (60 * 20)) {
+					// Fly to another element if idle for a longer while
+					focusOnElement();
+					lastActionTimestamp = Date.now();
+				}
 			}
 		} else if (currentState === States.HOP) {
 			if (updateParabolicPath(HOP_SPEED)) {
@@ -1396,14 +1404,14 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			return;
 		}
 
+		updateFocusedElementBounds();
+
 		// Update the bird's position
 		if (currentState === States.IDLE) {
-			if (focusedElement !== null) {
-				birdY = getFocusedElementY() - 0.5;
-				if (!isWithinHorizontalBounds()) {
-					focusOnGround();
-				}
+			if (focusedElement && !isWithinHorizontalBounds()) {
+				focusOnGround();
 			}
+			birdY = getFocusedY();
 		} else if (currentState === States.FLYING) {
 			// Fly to target location (even if in the air)
 			if (updateParabolicPath(FLY_SPEED)) {
@@ -1411,18 +1419,13 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			}
 		}
 
-		if (focusedElement === null) {
-			if (Date.now() - lastActionTimestamp > AFK_TIME && !isMenuOpen()) {
-				// Fly to an element if the user is AFK
-				focusOnElement();
-				lastActionTimestamp = Date.now();
-			}
-		} else if (focusedElement !== null) {
-			targetY = getFocusedElementY();
-			if (targetY < 0 || targetY > window.innerHeight) {
-				// Fly to ground if the focused element moves out of bounds
-				focusOnGround();
-			}
+		const oldTargetY = targetY;
+		targetY = getFocusedY();
+		// Adjust startY to account for scrolling
+		startY += targetY - oldTargetY;
+		if (targetY < 0 || targetY > window.innerHeight) {
+			// Fly to ground if the focused element moves out of bounds
+			focusOnGround();
 		}
 
 		ctx.clearRect(0, 0, canvas.width, canvas.height);
@@ -1998,34 +2001,37 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	}
 
 	function getFocusedElementRandomX() {
-		if (focusedElement === null) {
-			return Math.random() * window.innerWidth;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return Math.random() * (rect.right - rect.left) + rect.left;
+		return Math.random() * (focusedBounds.right - focusedBounds.left) + focusedBounds.left;
 	}
 
 	function isWithinHorizontalBounds() {
-		if (focusedElement === null) {
-			return true;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return birdX >= rect.left && birdX <= rect.right;
+		return birdX >= focusedBounds.left && birdX <= focusedBounds.right;
 	}
 
-	function getFocusedElementY() {
-		if (focusedElement === null) {
-			return 0;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return window.innerHeight - rect.top;
+	function getFocusedY() {
+		return getFullWindowHeight() - focusedBounds.top;
 	}
 
+	/**
+	 * @returns The render-safe height of the inner browser window
+	 */
+	function getSafeWindowHeight() {
+		// Necessary because iOS 26 Safari is terrible and won't render
+		// fixed elements behind the address bar
+		return window.innerHeight;
+	}
+
+	/**
+	 * @returns The true height of the inner browser window
+	 */
+	function getFullWindowHeight() {
+		return document.documentElement.clientHeight;
+	}
+	
 	function focusOnGround() {
-		if (focusedElement === null) {
-			return;
-		}
+		console.log("Focusing on ground");
 		focusedElement = null;
+		focusedBounds = { left: 0, right: window.innerWidth, top: getSafeWindowHeight() };
 		flyTo(Math.random() * window.innerWidth, 0);
 	}
 
@@ -2047,7 +2053,23 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		}
 		const randomElement = largeElements[Math.floor(Math.random() * largeElements.length)];
 		focusedElement = randomElement;
-		flyTo(getFocusedElementRandomX(), getFocusedElementY());
+		log("Focusing on element: ", focusedElement);
+		updateFocusedElementBounds();
+		flyTo(getFocusedElementRandomX(), getFocusedY());
+	}
+
+	function updateFocusedElementBounds() {
+		if (focusedElement === null) {
+			// Update ground location to bottom of window
+			focusedBounds = { left: 0, right: window.innerWidth, top: getFullWindowHeight() };
+			return;
+		}
+		const rect = focusedElement.getBoundingClientRect();
+		focusedBounds = {
+			left: rect.left,
+			right: rect.right,
+			top: rect.top
+		};
 	}
 
 	function getCanvasWidth() {
@@ -2063,25 +2085,14 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			return;
 		}
 		if (currentState === States.IDLE) {
-			// Determine bounds for hopping
-			let minX = 0;
-			let maxX = window.innerWidth;
-			let y = 0;
-			if (focusedElement !== null) {
-				// Hop on the element
-				const rect = focusedElement.getBoundingClientRect();
-				minX = rect.left;
-				maxX = rect.right;
-				y = window.innerHeight - rect.top;
-			}
 			setState(States.HOP);
 			setAnimation(Animations.FLYING);
-			if ((Math.random() < 0.5 && birdX - HOP_DISTANCE > minX) || birdX + HOP_DISTANCE > maxX) {
+			if ((Math.random() < 0.5 && birdX - HOP_DISTANCE > focusedBounds.left) || birdX + HOP_DISTANCE > focusedBounds.right) {
 				targetX = birdX - HOP_DISTANCE;
 			} else {
 				targetX = birdX + HOP_DISTANCE;
 			}
-			targetY = y;
+			targetY = getFocusedY();
 		}
 	}
 
@@ -2108,6 +2119,13 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		setAnimation(Animations.FLYING);
 	}
 
+	/**
+	 * @returns {boolean} Whether the bird should be absolutely positioned
+	 */
+	function isAbsolute() {
+		return focusedElement !== null && (currentState === States.IDLE || currentState === States.HOP);
+	}
+
 	/**
 	 * Set the current animation and reset the animation timer
 	 * @param {Anim} animation
@@ -2129,6 +2147,12 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		if (state === States.IDLE) {
 			setAnimation(Animations.BOB);
 		}
+		if (isAbsolute()) {
+			canvas.classList.add("birb-absolute");
+		} else {
+			canvas.classList.remove("birb-absolute");
+		}
+		setY(birdY);
 	}
 
 	/**
@@ -2143,7 +2167,15 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	 * @param {number} y
 	 */
 	function setY(y) {
-		canvas.style.bottom = `${y}px`;
+		let bottom;
+		if (isAbsolute()) {
+			// Position is absolute, convert from fixed
+			bottom = y - window.scrollY;
+		} else {
+			// Position is fixed
+			bottom = y;
+		}
+		canvas.style.bottom = `${bottom}px`;
 	}
 });
 

dist/birb.user.js

@@ -1,11 +1,11 @@
 // ==UserScript==
-// @name         Browser Bird
+// @name         Pocket Bird
 // @namespace    https://idreesinc.com
 // @version      2025.9.16.1
 // @description  birb
 // @author       Idrees
-// @downloadURL  https://github.com/IdreesInc/Browser-Bird/raw/refs/heads/main/dist/birb.user.js
-// @updateURL    https://github.com/IdreesInc/Browser-Bird/raw/refs/heads/main/dist/birb.user.js
+// @downloadURL  https://github.com/IdreesInc/Pocket-Bird/raw/refs/heads/main/dist/birb.user.js
+// @updateURL    https://github.com/IdreesInc/Pocket-Bird/raw/refs/heads/main/dist/birb.user.js
 // @match        *://*/*
 // @grant        GM_setValue
 // @grant        GM_getValue
@@ -88,6 +88,10 @@ const STYLESHEET = `:root {
 	cursor: pointer;
 }
 
+.birb-absolute {
+	position: absolute !important;
+}
+
 .birb-decoration {
 	image-rendering: pixelated;
 	position: fixed;
@@ -1038,6 +1042,7 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	let targetY = 0;
 	/** @type {HTMLElement|null} */
 	let focusedElement = null;
+	let focusedBounds = { left: 0, right: 0, top: 0 };
 	let lastActionTimestamp = Date.now();
 	/** @type {number[]} */
 	let petStack = [];
@@ -1311,11 +1316,6 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 
 		window.addEventListener("scroll", () => {
 			lastActionTimestamp = Date.now();
-			// Can't keep up with scrolling on mobile devices so fly down instead
-			if (isMobile()) {
-				// focusOnGround();
-			}
-
 		});
 
 		onClick(document, (e) => {
@@ -1381,12 +1381,20 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			// Won't be restored on fullscreen exit
 		}
 
-		if (currentState === States.IDLE) {
-			if (Math.random() < 1 / (60 * 3) && currentAnimation !== Animations.HEART && !isMenuOpen()) {
+		if (currentState === States.IDLE && !frozen && !isMenuOpen()) {
+			if (Math.random() < 1 / (60 * 3) && currentAnimation !== Animations.HEART) {
 				hop();
-			} else if (focusedElement !== null && Math.random() < 1 / (60 * 20) && Date.now() - lastActionTimestamp > AFK_TIME && !isMenuOpen()) {
-				focusOnElement();
-				lastActionTimestamp = Date.now();
+			} else if (Date.now() - lastActionTimestamp > AFK_TIME) {
+				// Idle for a while, do something
+				if (focusedElement === null) {
+					// Fly to an element
+					focusOnElement();
+					lastActionTimestamp = Date.now();
+				} else if (Math.random() < 1 / (60 * 20)) {
+					// Fly to another element if idle for a longer while
+					focusOnElement();
+					lastActionTimestamp = Date.now();
+				}
 			}
 		} else if (currentState === States.HOP) {
 			if (updateParabolicPath(HOP_SPEED)) {
@@ -1410,14 +1418,14 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			return;
 		}
 
+		updateFocusedElementBounds();
+
 		// Update the bird's position
 		if (currentState === States.IDLE) {
-			if (focusedElement !== null) {
-				birdY = getFocusedElementY() - 0.5;
-				if (!isWithinHorizontalBounds()) {
-					focusOnGround();
-				}
+			if (focusedElement && !isWithinHorizontalBounds()) {
+				focusOnGround();
 			}
+			birdY = getFocusedY();
 		} else if (currentState === States.FLYING) {
 			// Fly to target location (even if in the air)
 			if (updateParabolicPath(FLY_SPEED)) {
@@ -1425,18 +1433,13 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			}
 		}
 
-		if (focusedElement === null) {
-			if (Date.now() - lastActionTimestamp > AFK_TIME && !isMenuOpen()) {
-				// Fly to an element if the user is AFK
-				focusOnElement();
-				lastActionTimestamp = Date.now();
-			}
-		} else if (focusedElement !== null) {
-			targetY = getFocusedElementY();
-			if (targetY < 0 || targetY > window.innerHeight) {
-				// Fly to ground if the focused element moves out of bounds
-				focusOnGround();
-			}
+		const oldTargetY = targetY;
+		targetY = getFocusedY();
+		// Adjust startY to account for scrolling
+		startY += targetY - oldTargetY;
+		if (targetY < 0 || targetY > window.innerHeight) {
+			// Fly to ground if the focused element moves out of bounds
+			focusOnGround();
 		}
 
 		ctx.clearRect(0, 0, canvas.width, canvas.height);
@@ -2012,34 +2015,37 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	}
 
 	function getFocusedElementRandomX() {
-		if (focusedElement === null) {
-			return Math.random() * window.innerWidth;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return Math.random() * (rect.right - rect.left) + rect.left;
+		return Math.random() * (focusedBounds.right - focusedBounds.left) + focusedBounds.left;
 	}
 
 	function isWithinHorizontalBounds() {
-		if (focusedElement === null) {
-			return true;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return birdX >= rect.left && birdX <= rect.right;
+		return birdX >= focusedBounds.left && birdX <= focusedBounds.right;
 	}
 
-	function getFocusedElementY() {
-		if (focusedElement === null) {
-			return 0;
-		}
-		const rect = focusedElement.getBoundingClientRect();
-		return window.innerHeight - rect.top;
+	function getFocusedY() {
+		return getFullWindowHeight() - focusedBounds.top;
 	}
 
+	/**
+	 * @returns The render-safe height of the inner browser window
+	 */
+	function getSafeWindowHeight() {
+		// Necessary because iOS 26 Safari is terrible and won't render
+		// fixed elements behind the address bar
+		return window.innerHeight;
+	}
+
+	/**
+	 * @returns The true height of the inner browser window
+	 */
+	function getFullWindowHeight() {
+		return document.documentElement.clientHeight;
+	}
+	
 	function focusOnGround() {
-		if (focusedElement === null) {
-			return;
-		}
+		console.log("Focusing on ground");
 		focusedElement = null;
+		focusedBounds = { left: 0, right: window.innerWidth, top: getSafeWindowHeight() };
 		flyTo(Math.random() * window.innerWidth, 0);
 	}
 
@@ -2061,7 +2067,23 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		}
 		const randomElement = largeElements[Math.floor(Math.random() * largeElements.length)];
 		focusedElement = randomElement;
-		flyTo(getFocusedElementRandomX(), getFocusedElementY());
+		log("Focusing on element: ", focusedElement);
+		updateFocusedElementBounds();
+		flyTo(getFocusedElementRandomX(), getFocusedY());
+	}
+
+	function updateFocusedElementBounds() {
+		if (focusedElement === null) {
+			// Update ground location to bottom of window
+			focusedBounds = { left: 0, right: window.innerWidth, top: getFullWindowHeight() };
+			return;
+		}
+		const rect = focusedElement.getBoundingClientRect();
+		focusedBounds = {
+			left: rect.left,
+			right: rect.right,
+			top: rect.top
+		};
 	}
 
 	function getCanvasWidth() {
@@ -2077,25 +2099,14 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 			return;
 		}
 		if (currentState === States.IDLE) {
-			// Determine bounds for hopping
-			let minX = 0;
-			let maxX = window.innerWidth;
-			let y = 0;
-			if (focusedElement !== null) {
-				// Hop on the element
-				const rect = focusedElement.getBoundingClientRect();
-				minX = rect.left;
-				maxX = rect.right;
-				y = window.innerHeight - rect.top;
-			}
 			setState(States.HOP);
 			setAnimation(Animations.FLYING);
-			if ((Math.random() < 0.5 && birdX - HOP_DISTANCE > minX) || birdX + HOP_DISTANCE > maxX) {
+			if ((Math.random() < 0.5 && birdX - HOP_DISTANCE > focusedBounds.left) || birdX + HOP_DISTANCE > focusedBounds.right) {
 				targetX = birdX - HOP_DISTANCE;
 			} else {
 				targetX = birdX + HOP_DISTANCE;
 			}
-			targetY = y;
+			targetY = getFocusedY();
 		}
 	}
 
@@ -2122,6 +2133,13 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		setAnimation(Animations.FLYING);
 	}
 
+	/**
+	 * @returns {boolean} Whether the bird should be absolutely positioned
+	 */
+	function isAbsolute() {
+		return focusedElement !== null && (currentState === States.IDLE || currentState === States.HOP);
+	}
+
 	/**
 	 * Set the current animation and reset the animation timer
 	 * @param {Anim} animation
@@ -2143,6 +2161,12 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 		if (state === States.IDLE) {
 			setAnimation(Animations.BOB);
 		}
+		if (isAbsolute()) {
+			canvas.classList.add("birb-absolute");
+		} else {
+			canvas.classList.remove("birb-absolute");
+		}
+		setY(birdY);
 	}
 
 	/**
@@ -2157,7 +2181,15 @@ Promise.all([loadSpriteSheetPixels(SPRITE_SHEET), loadSpriteSheetPixels(DECORATI
 	 * @param {number} y
 	 */
 	function setY(y) {
-		canvas.style.bottom = `${y}px`;
+		let bottom;
+		if (isAbsolute()) {
+			// Position is absolute, convert from fixed
+			bottom = y - window.scrollY;
+		} else {
+			// Position is fixed
+			bottom = y;
+		}
+		canvas.style.bottom = `${bottom}px`;
 	}
 });
 

stylesheet.css

@@ -21,6 +21,10 @@
 	cursor: pointer;
 }
 
+.birb-absolute {
+	position: absolute !important;
+}
+
 .birb-decoration {
 	image-rendering: pixelated;
 	position: fixed;