Create p5.js instance as a Vue component.
<script src="https://unpkg.com/vue@2"></script>
<script src="https://unpkg.com/vue-p5"></script>
<div id="app">
<vue-p5 v-on="this"></vue-p5>
</div>
<script>
new Vue({
el: '#app',
methods: {
setup(sketch) {
sketch.background('green');
sketch.text('Hello p5!', 20, 20);
}
}
});
</script>npm install --save vue@2 vue-p5import Vue from 'vue';
import VueP5 from 'vue-p5';
export default {
methods: {
setup(sketch) {
sketch.background('green');
sketch.text('Hello p5!', 20, 20);
}
},
render(h) {
return h(VueP5, {on: this});
}
};In the examples above v-on="this" and {on: this} are a short (and hacky) way to avoid handling every p5 event explicitly. You might want to use one of the other options:
<vue-p5 v-on="{setup, draw, keypressed}"></vue-p5>
<!-- which is equivalent to: -->
<vue-p5
@setup="setup"
@draw="draw"
@keypressed="keypressed">
</vue-p5>on: {
setup: this.setup,
draw: this.draw,
keypressed: this.keypressed
}See also v-on object syntax.
Every p5 event is exposed as a Vue event. The first argument is the sketch object used for drawing and everything else:
methods: {
draw(sk) {
// draw a line between the previous
// and the current mouse position
sk.line(sk.pmouseX, sk.pmouseY, sk.mouseX, sk.mouseY);
},
keypressed(sk) {
// convert the key code to it's string
// representation and print it
const key = String.fromCharCode(sk.keyCode);
sk.print(key);
}
}Using methods makes it possible to access the current component:
// green background
data: {
color: [0, 255, 0]
},
methods: {
draw(sketch) {
sketch.background(...this.color);
}
}Each event emitted by vue-p5 has the same name as the corresponding p5 event, but lowercase.
mouseclicked, not mouseClicked
Currently all p5 events are supported, but there is an escape hatch. For example, if windowResized was missing, it's (lowercase) name could be passed to additional-events prop to make vue-p5 aware of it:
<vue-p5
:additional-events="['windowresized']"
@windowresized="windowresized"
></vue-p5>Though please let me know if you ever have to use this.
In addition to p5 events, there's a @sketch event for importing an existing p5 sketch written in instance mode.
<vue-p5 @sketch="sketch"></vue-p5>
<script>
new Vue({
methods: {
sketch(sk) {
const clicks = [];
sk.mouseClicked = () => {
// save clicks to array
clicks.push({ x: sk.mouseX, y: sk.mouseY });
}
sk.draw = () => {
// draw a circle around each clicked position
clicks.forEach(({ x, y }) => {
sk.ellipse(x, y, 10, 10);
});
}
}
}
});
</script>Remember to use arrow functions if you need this.
@sketch can be used in parallel with other events. Functions defined in the @sketch handler will always be called first.
Hello world: codepen
Webpack project: vue-p5-example
A game of Snake: vue-p5-snake
Feedback is very welcome! Free to open a new issue for any reason.
You can also ping me on twitter or write me an email.
This project adheres to semver. Minor changes are breaking.
Use vue-p5@next to get a version with future updates.
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