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修复rectangle中rayinterest方法返回错误信息

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This commit is contained in:
yhh
2023-03-13 15:23:02 +08:00
parent 72fdabd099
commit 78079252c9
5 changed files with 39 additions and 34 deletions
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source/src/Math/Rectangle.ts
+18 -18
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@@ -214,47 +214,47 @@ module es {
}
public rayIntersects(ray: Ray2D): { intersected: boolean; distance: number } {
const res = {intersected: false, distance: 0};
let maxValue = Number.MAX_VALUE;
const res = { intersected: false, distance: 0 };
let maxValue = Infinity;
if (Math.abs(ray.direction.x) < 1E-06) {
if ((ray.start.x < this.x) || (ray.start.x > this.x + this.width))
if (ray.start.x < this.x || ray.start.x > this.x + this.width) {
return res;
}
} else {
const num11 = 1 / ray.direction.x;
let num8 = (this.x - ray.start.x) * num11;
let num7 = (this.x + this.width - ray.start.x) * num11;
if (num8 > num7) {
const num14 = num8;
num8 = num7;
num7 = num14;
[num7, num8] = [num8, num7];
}
res.distance = Math.max(num8, res.distance);
maxValue = Math.min(num7, maxValue);
if (res.distance > maxValue)
if (res.distance > maxValue) {
return res;
}
}
if (Math.abs(ray.direction.y) < 1e-06) {
if ((ray.start.y < this.y) || (ray.start.y > this.y + this.height))
if (ray.start.y < this.y || ray.start.y > this.y + this.height) {
return res;
}
} else {
const num10 = 1 / ray.direction.y;
let num6 = (this.y - ray.start.y) * num10;
let num5 = (this.y + this.height - ray.start.y) * num10;
if (num6 > num5) {
const num13 = num6;
num6 = num5;
num5 = num13;
[num5, num6] = [num6, num5];
}
res.distance = Math.max(num6, res.distance);
maxValue = Math.max(num5, maxValue);
if (res.distance > maxValue)
maxValue = Math.min(num5, maxValue);
if (res.distance > maxValue) {
return res;
}
}
res.intersected = true;
return res;
}