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C++ Plane3::projectPoint方法代码示例

本文整理汇总了C++中Plane3::projectPoint方法的典型用法代码示例。如果您正苦于以下问题:C++ Plane3::projectPoint方法的具体用法?C++ Plane3::projectPoint怎么用?C++ Plane3::projectPoint使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Plane3的用法示例。


在下文中一共展示了Plane3::projectPoint方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: renderPlane

/******************************************************************************
* Renders the plane in the viewports.
******************************************************************************/
Box3 SliceModifier::renderPlane(SceneRenderer* renderer, const Plane3& plane, const Box3& bb, const ColorA& color) const
{
	// Compute intersection lines of slicing plane and bounding box.
	QVector<Point3> vertices;
	Point3 corners[8];
	for(int i = 0; i < 8; i++)
		corners[i] = bb[i];

	planeQuadIntersection(corners, {{0, 1, 5, 4}}, plane, vertices);
	planeQuadIntersection(corners, {{1, 3, 7, 5}}, plane, vertices);
	planeQuadIntersection(corners, {{3, 2, 6, 7}}, plane, vertices);
	planeQuadIntersection(corners, {{2, 0, 4, 6}}, plane, vertices);
	planeQuadIntersection(corners, {{4, 5, 7, 6}}, plane, vertices);
	planeQuadIntersection(corners, {{0, 2, 3, 1}}, plane, vertices);

	// If there is not intersection with the simulation box then
	// project the simulation box onto the plane.
	if(vertices.empty()) {
		const static int edges[12][2] = {
				{0,1},{1,3},{3,2},{2,0},
				{4,5},{5,7},{7,6},{6,4},
				{0,4},{1,5},{3,7},{2,6}
		};
		for(int edge = 0; edge < 12; edge++) {
			vertices.push_back(plane.projectPoint(corners[edges[edge][0]]));
			vertices.push_back(plane.projectPoint(corners[edges[edge][1]]));
		}
	}

	if(renderer) {
		// Render plane-box intersection lines.
		std::shared_ptr<LinePrimitive> buffer = renderer->createLinePrimitive();
		buffer->setVertexCount(vertices.size());
		buffer->setVertexPositions(vertices.constData());
		buffer->setLineColor(color);
		buffer->render(renderer);
	}

	// Compute bounding box.
	Box3 vertexBoundingBox;
	vertexBoundingBox.addPoints(vertices.constData(), vertices.size());
	return vertexBoundingBox;
}
开发者ID:bitzhuwei,项目名称:OVITO_sureface,代码行数:46,代码来源:SliceModifier.cpp


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