70 lines
1.5 KiB
Vue
70 lines
1.5 KiB
Vue
<script lang="ts" setup>
|
|
const props = defineProps({
|
|
x: {
|
|
type: Number,
|
|
default: 0,
|
|
},
|
|
y: {
|
|
type: Number,
|
|
default: 0,
|
|
},
|
|
});
|
|
|
|
const SAMPLES = 60;
|
|
let average = { deltaTime: 0, realDeltaTime: 0 };
|
|
const lastFrames: (typeof average)[] = [];
|
|
|
|
useUpdate((deltaTime, realDeltaTime) => {
|
|
lastFrames.push({ deltaTime, realDeltaTime });
|
|
|
|
if (lastFrames.length > SAMPLES) {
|
|
lastFrames.shift();
|
|
}
|
|
|
|
if (lastFrames.length > 0) {
|
|
average = {
|
|
deltaTime:
|
|
lastFrames.reduce((acc, v) => acc + v.deltaTime, 0) / lastFrames.length,
|
|
realDeltaTime:
|
|
lastFrames.reduce((acc, v) => acc + v.realDeltaTime, 0) /
|
|
lastFrames.length,
|
|
};
|
|
}
|
|
});
|
|
|
|
useRender((ctx) => {
|
|
const LINE_COUNT = 5;
|
|
const LINE_HEIGHT = 12;
|
|
|
|
ctx.fillStyle = "red";
|
|
ctx.fillRect(props.x - 2, props.y, 140, LINE_COUNT * LINE_HEIGHT + 3);
|
|
|
|
let textY = props.y;
|
|
|
|
ctx.fillStyle = "black";
|
|
ctx.fillText("[avg on 60 frames]", props.x, (textY += LINE_HEIGHT));
|
|
ctx.fillText(
|
|
`fps=${(1000 / average.deltaTime).toFixed()}`,
|
|
props.x,
|
|
(textY += LINE_HEIGHT),
|
|
);
|
|
ctx.fillText(
|
|
`frame_time=${average.deltaTime.toFixed(2)}ms`,
|
|
props.x,
|
|
(textY += LINE_HEIGHT),
|
|
);
|
|
ctx.fillText(
|
|
`real_fps=${(1000 / average.realDeltaTime).toFixed()}`,
|
|
props.x,
|
|
(textY += LINE_HEIGHT),
|
|
);
|
|
ctx.fillText(
|
|
`real_frame_time=${average.realDeltaTime.toFixed(2)}ms`,
|
|
props.x,
|
|
(textY += LINE_HEIGHT),
|
|
);
|
|
});
|
|
</script>
|
|
|
|
<template></template>
|