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Bump shape calculation to function

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This commit is contained in:
Nelsson Huotari 2019-10-22 20:58:23 +03:00
parent 8d3e7f2815
commit a13edbdb42
2 changed files with 13 additions and 5 deletions
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15
apps/opencs/view/render/terrainshapemode.cpp
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@ -391,6 +391,12 @@ void CSVRender::TerrainShapeMode::applyTerrainEditChanges()
mAlteredCells.clear(); mAlteredCells.clear();
} }
float CSVRender::TerrainShapeMode::calculateBumpShape(const float& distance, int radius, const float& height)
{
float distancePerRadius = distance / radius;
return height - height * (3 * distancePerRadius * distancePerRadius - 2 * distancePerRadius * distancePerRadius * distancePerRadius);
}
void CSVRender::TerrainShapeMode::editTerrainShapeGrid(const std::pair<int, int>& vertexCoords, bool dragOperation) void CSVRender::TerrainShapeMode::editTerrainShapeGrid(const std::pair<int, int>& vertexCoords, bool dragOperation)
{ {
int r = mBrushSize / 2; int r = mBrushSize / 2;
@ -451,15 +457,14 @@ void CSVRender::TerrainShapeMode::editTerrainShapeGrid(const std::pair<int, int>
{ {
cellId = CSMWorld::CellCoordinates::vertexGlobalToCellId(std::make_pair(i, j)); cellId = CSMWorld::CellCoordinates::vertexGlobalToCellId(std::make_pair(i, j));
cellCoords = CSMWorld::CellCoordinates::fromId(cellId).first; cellCoords = CSMWorld::CellCoordinates::fromId(cellId).first;
int x = CSMWorld::CellCoordinates::vertexGlobalToInCellCoords(i);
int y = CSMWorld::CellCoordinates::vertexGlobalToInCellCoords(j);
int distanceX = abs(i - vertexCoords.first); int distanceX = abs(i - vertexCoords.first);
int distanceY = abs(j - vertexCoords.second); int distanceY = abs(j - vertexCoords.second);
float distance = sqrt(pow(distanceX, 2)+pow(distanceY, 2)); float distance = sqrt(pow(distanceX, 2)+pow(distanceY, 2));
int x = CSMWorld::CellCoordinates::vertexGlobalToInCellCoords(i);
int y = CSMWorld::CellCoordinates::vertexGlobalToInCellCoords(j);
float distancePerRadius = 1.0f * distance / r;
float smoothedByDistance = 0.0f; float smoothedByDistance = 0.0f;
if (mShapeEditTool == ShapeEditTool_Drag) smoothedByDistance = mTotalDiffY - mTotalDiffY * (3 * distancePerRadius * distancePerRadius - 2 * distancePerRadius * distancePerRadius * distancePerRadius); if (mShapeEditTool == ShapeEditTool_Drag) smoothedByDistance = calculateBumpShape(distance, r, mTotalDiffY);
if (mShapeEditTool == ShapeEditTool_PaintToRaise || mShapeEditTool == ShapeEditTool_PaintToLower) smoothedByDistance = (r + mShapeEditToolStrength) - (r + mShapeEditToolStrength) * (3 * distancePerRadius * distancePerRadius - 2 * distancePerRadius * distancePerRadius * distancePerRadius); if (mShapeEditTool == ShapeEditTool_PaintToRaise || mShapeEditTool == ShapeEditTool_PaintToLower) smoothedByDistance = calculateBumpShape(distance, r, r + mShapeEditToolStrength);
if (distance <= r) if (distance <= r)
{ {
if (mShapeEditTool == ShapeEditTool_Drag) alterHeight(cellCoords, x, y, smoothedByDistance); if (mShapeEditTool == ShapeEditTool_Drag) alterHeight(cellCoords, x, y, smoothedByDistance);

3
apps/opencs/view/render/terrainshapemode.hpp
View file

@ -101,6 +101,9 @@ namespace CSVRender
/// Handle brush mechanics for shape editing /// Handle brush mechanics for shape editing
void editTerrainShapeGrid (const std::pair<int, int>& vertexCoords, bool dragOperation); void editTerrainShapeGrid (const std::pair<int, int>& vertexCoords, bool dragOperation);
/// Calculate height, when aiming for bump-shaped terrain change
float calculateBumpShape(const float& distance, int radius, const float& height);
/// set the target height for flatten tool /// set the target height for flatten tool
void setFlattenToolTargetHeight(const WorldspaceHitResult& hit); void setFlattenToolTargetHeight(const WorldspaceHitResult& hit);