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impl even layouts

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This commit is contained in:
HJfod 2023-02-11 19:03:23 +02:00
parent f5ce865b55
commit 8fd027531b
1 changed files with 30 additions and 6 deletions
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36
loader/src/cocos2d-ext/Layout.cpp
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@ -231,6 +231,7 @@ void AxisLayout::tryFitLayout(CCNode* on, CCArray* nodes, float scale, float squ
} break;
case AxisAlignment::Even: {
totalRowCrossLength = available.crossLength;
rowCrossPos = totalRowCrossLength - rowsEndsLength * 1.5f * scale * (1.f - columnSquish);
} break;
@ -245,8 +246,15 @@ void AxisLayout::tryFitLayout(CCNode* on, CCArray* nodes, float scale, float squ
} break;
}
float rowEvenSpace = available.crossLength / rows->count();
for (auto row : CCArrayExt<Row*>(rows)) {
rowCrossPos -= row->crossLength * columnSquish;
if (m_crossAlignment == AxisAlignment::Even) {
rowCrossPos -= rowEvenSpace / 2 + row->crossLength / 2;
}
else {
rowCrossPos -= row->crossLength * columnSquish;
}
// scale down & squish row if it overflows main axis
float rowScale = scale;
@ -288,6 +296,8 @@ void AxisLayout::tryFitLayout(CCNode* on, CCArray* nodes, float scale, float squ
} break;
}
float evenSpace = available.axisLength / row->nodes->count();
size_t ix = 0;
for (auto& node : CCArrayExt<CCNode*>(row->nodes)) {
// rescale node if overflowing
@ -299,7 +309,17 @@ void AxisLayout::tryFitLayout(CCNode* on, CCArray* nodes, float scale, float squ
node->setScale(rowScale);
}
auto pos = nodeAxis(node, m_axis, rowSquish);
float axisPos = rowAxisPos + pos.axisLength * pos.axisAnchor;
float axisPos;
if (m_axisAlignment == AxisAlignment::Even) {
axisPos = rowAxisPos + evenSpace / 2 - pos.axisLength * (.5f - pos.axisAnchor);
rowAxisPos += evenSpace -
row->axisEndsLength * rowScale * (1.f - rowSquish) * 1.f / nodes->count();
}
else {
axisPos = rowAxisPos + pos.axisLength * pos.axisAnchor;
rowAxisPos += pos.axisLength + m_gap * rowScale * rowSquish -
row->axisEndsLength * rowScale * (1.f - rowSquish) * 1.f / nodes->count();
}
float crossOffset;
switch (m_crossAlignment) {
case AxisAlignment::Start: {
@ -320,13 +340,17 @@ void AxisLayout::tryFitLayout(CCNode* on, CCArray* nodes, float scale, float squ
else {
node->setPosition(rowCrossPos + crossOffset, axisPos);
}
rowAxisPos += pos.axisLength + m_gap * rowScale * rowSquish -
row->axisEndsLength * rowScale * (1.f - rowSquish) * 1.f / nodes->count();
ix++;
}
rowCrossPos -= m_gap * columnSquish -
rowsEndsLength * 1.5f * scale * (1.f - columnSquish) * 1.f / rows->count();
if (m_crossAlignment == AxisAlignment::Even) {
rowCrossPos -= rowEvenSpace / 2 - row->crossLength / 2 -
rowsEndsLength * 1.5f * scale * (1.f - columnSquish) * 1.f / rows->count();
}
else {
rowCrossPos -= m_gap * columnSquish -
rowsEndsLength * 1.5f * scale * (1.f - columnSquish) * 1.f / rows->count();
}
}
}