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对像素进行取整保证在不同分辨率下保持清晰

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This commit is contained in:
yhh
2021-05-25 11:16:49 +08:00
parent da3ab02a8d
commit 6c44d38c10
8 changed files with 53 additions and 45 deletions
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47
source/bin/framework.js
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@@ -5814,6 +5814,9 @@ var es;
MathHelper.repeat = function (t, length) {
return t - Math.floor(t / length) * length;
};
MathHelper.floorToInt = function (f) {
return Math.trunc(Math.floor(f));
};
/**
* 将值绕一圈移动的助手
* @param position
@@ -6814,10 +6817,10 @@ var es;
};
Rectangle.prototype.calculateBounds = function (parentPosition, position, origin, scale, rotation, width, height) {
if (rotation == 0) {
this.x = parentPosition.x + position.x - origin.x * scale.x;
this.y = parentPosition.y + position.y - origin.y * scale.y;
this.width = width * scale.x;
this.height = height * scale.y;
this.x = Math.trunc(parentPosition.x + position.x - origin.x * scale.x);
this.y = Math.trunc(parentPosition.y + position.y - origin.y * scale.y);
this.width = Math.trunc(width * scale.x);
this.height = Math.trunc(height * scale.y);
}
else {
// 我们需要找到我们的绝对最小/最大值，并据此创建边界
@@ -6841,13 +6844,13 @@ var es;
es.Vector2Ext.transformR(bottomLeft, this._transformMat, bottomLeft);
es.Vector2Ext.transformR(bottomRight, this._transformMat, bottomRight);
// 找出最小值和最大值，这样我们就可以计算出我们的边界框。
var minX = Math.min(topLeft.x, bottomRight.x, topRight.x, bottomLeft.x);
var maxX = Math.max(topLeft.x, bottomRight.x, topRight.x, bottomLeft.x);
var minY = Math.min(topLeft.y, bottomRight.y, topRight.y, bottomLeft.y);
var maxY = Math.max(topLeft.y, bottomRight.y, topRight.y, bottomLeft.y);
var minX = Math.trunc(Math.min(topLeft.x, bottomRight.x, topRight.x, bottomLeft.x));
var maxX = Math.trunc(Math.max(topLeft.x, bottomRight.x, topRight.x, bottomLeft.x));
var minY = Math.trunc(Math.min(topLeft.y, bottomRight.y, topRight.y, bottomLeft.y));
var maxY = Math.trunc(Math.max(topLeft.y, bottomRight.y, topRight.y, bottomLeft.y));
this.location = new es.Vector2(minX, minY);
this.width = maxX - minX;
this.height = maxY - minY;
this.width = Math.trunc(maxX - minX);
this.height = Math.trunc(maxY - minY);
}
};
/**
@@ -6931,7 +6934,7 @@ var es;
* 获取这个矩形的哈希码
*/
Rectangle.prototype.getHashCode = function () {
return (this.x ^ this.y ^ this.width ^ this.height);
return (Math.trunc(this.x) ^ Math.trunc(this.y) ^ Math.trunc(this.width) ^ Math.trunc(this.height));
};
Rectangle.prototype.clone = function () {
return new Rectangle(this.x, this.y, this.width, this.height);
@@ -6960,7 +6963,7 @@ var es;
*/
SubpixelFloat.prototype.update = function (amount) {
this.remainder += amount;
var motion = Math.floor(Math.trunc(this.remainder));
var motion = Math.trunc(this.remainder);
this.remainder -= motion;
amount = motion;
return amount;
@@ -7670,11 +7673,11 @@ var es;
}
while (currentCell.x != lastCell.x || currentCell.y != lastCell.y) {
if (tMaxX < tMaxY) {
currentCell.x = Math.floor(es.MathHelper.approach(currentCell.x, lastCell.x, Math.abs(stepX)));
currentCell.x = Math.trunc(es.MathHelper.approach(currentCell.x, lastCell.x, Math.abs(stepX)));
tMaxX += tDeltaX;
}
else {
currentCell.y = Math.floor(es.MathHelper.approach(currentCell.y, lastCell.y, Math.abs(stepY)));
currentCell.y = Math.trunc(es.MathHelper.approach(currentCell.y, lastCell.y, Math.abs(stepY)));
tMaxY += tDeltaY;
}
cell = this.cellAtPosition(currentCell.x, currentCell.y);
@@ -7790,7 +7793,7 @@ var es;
* @param y
*/
SpatialHash.prototype.cellCoords = function (x, y) {
return new es.Vector2(Math.floor(x * this._inverseCellSize), Math.floor(y * this._inverseCellSize));
return new es.Vector2(es.MathHelper.floorToInt(x * this._inverseCellSize), es.MathHelper.floorToInt(y * this._inverseCellSize));
};
/**
* 获取世界空间x,y值的单元格。
@@ -11763,8 +11766,8 @@ var es;
RectangleExt.getClosestPointOnRectangleBorderToPoint = function (rect, point) {
// 对于每个轴，如果该点在盒子外面，则将在盒子上，否则不理会它
var res = es.Vector2.zero;
res.x = es.MathHelper.clamp(point.x, rect.left, rect.right);
res.y = es.MathHelper.clamp(point.y, rect.top, rect.bottom);
res.x = es.MathHelper.clamp(Math.trunc(point.x), rect.left, rect.right);
res.y = es.MathHelper.clamp(Math.trunc(point.y), rect.top, rect.bottom);
// 如果点在矩形内，我们需要将res推到边框，因为它将在矩形内
if (rect.contains(res.x, res.y)) {
var dl = rect.x - rect.left;
@@ -11815,7 +11818,7 @@ var es;
if (pt.y > maxY)
maxY = pt.y;
}
return this.fromMinMaxVector(new es.Vector2(minX, minY), new es.Vector2(maxX, maxY));
return this.fromMinMaxVector(new es.Vector2(Math.trunc(minX), Math.trunc(minY)), new es.Vector2(Math.trunc(maxX), Math.trunc(maxY)));
};
/**
* 缩放矩形
@@ -11823,10 +11826,10 @@ var es;
* @param scale
*/
RectangleExt.scale = function (rect, scale) {
rect.x = rect.x * scale.x;
rect.y = rect.y * scale.y;
rect.width = rect.width * scale.x;
rect.height = rect.height * scale.y;
rect.x = Math.trunc(rect.x * scale.x);
rect.y = Math.trunc(rect.y * scale.y);
rect.width = Math.trunc(rect.width * scale.x);
rect.height = Math.trunc(rect.height * scale.y);
};
RectangleExt.translate = function (rect, vec) {
rect.location.add(vec);