page: 📄 common Easings

README.md

@@ -1,5 +1,4 @@
 ```sh
-https://konvajs.org/docs/tweens/Common_Easings.html
 https://konvajs.org/docs/tweens/All_Easings.html
 https://konvajs.org/docs/tweens/All_Controls.html
 https://konvajs.org/docs/tweens/Tween_Filter.html

src/views/tweens/common-easings/index.vue

@@ -0,0 +1,103 @@
+<script setup lang="ts">
+import { useWindowSize } from '@vueuse/core';
+import { onMounted } from 'vue';
+import Konva from 'konva/lib';
+
+const { width, height } = useWindowSize();
+
+const initial = () => {
+	const stage = new Konva.Stage({ container: 'container', width: width.value, height: height.value });
+	stage.draggable(true);
+	const layer = new Konva.Layer();
+	stage.add(layer);
+
+	const greenBox = new Konva.Rect({
+		x: 70,
+		y: stage.height() / 2,
+		width: 100,
+		height: 50,
+		fill: 'green',
+		stroke: 'black',
+		strokeWidth: 4,
+		offset: {
+			x: 50,
+			y: 25,
+		},
+	});
+
+	const blueBox = new Konva.Rect({
+		x: 190,
+		y: stage.height() / 2,
+		width: 100,
+		height: 50,
+		fill: 'blue',
+		stroke: 'black',
+		strokeWidth: 4,
+		offset: {
+			x: 50,
+			y: 25,
+		},
+	});
+
+	const redBox = new Konva.Rect({
+		x: 310,
+		y: stage.height() / 2,
+		width: 100,
+		height: 50,
+		fill: 'red',
+		stroke: 'black',
+		strokeWidth: 4,
+		offset: {
+			x: 50,
+			y: 25,
+		},
+	});
+	layer.add(greenBox);
+	layer.add(blueBox);
+	layer.add(redBox);
+
+	// the tween has to be created after the node has been added to the layer
+	greenBox.tween = new Konva.Tween({
+		node: greenBox,
+		scaleX: 2,
+		scaleY: 1.5,
+		easing: Konva.Easings.EaseIn,
+		duration: 1,
+	});
+
+	blueBox.tween = new Konva.Tween({
+		node: blueBox,
+		scaleX: 2,
+		scaleY: 1.5,
+		easing: Konva.Easings.EaseInOut,
+		duration: 1,
+	});
+
+	redBox.tween = new Konva.Tween({
+		node: redBox,
+		scaleX: 2,
+		scaleY: 1.5,
+		easing: Konva.Easings.EaseOut,
+		duration: 1,
+	});
+
+	// use event delegation
+	layer.on('mouseover touchstart', function (evt) {
+		evt.target.tween.play();
+	});
+
+	layer.on('mouseout touchend', function (evt) {
+		evt.target.tween.reverse();
+	});
+};
+
+onMounted(() => {
+	initial();
+});
+</script>
+
+<template>
+	<div id="container"></div>
+</template>
+
+<style scoped lang="scss"></style>