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fixed line spacing and added BoundingBox support

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This commit is contained in:
ZappoMan 2013-06-11 18:37:31 -07:00
parent 6d3ec662a1
commit b3ef9868e3
2 changed files with 157 additions and 138 deletions
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12
libraries/voxels/src/VoxelProjectedShadow.cpp
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@ -8,6 +8,16 @@
#include "VoxelProjectedShadow.h" #include "VoxelProjectedShadow.h"
#include "GeometryUtil.h" #include "GeometryUtil.h"
bool BoundingBox::contains(const BoundingBox& box) const {
return (
(box.corner.x >= corner.x) &&
(box.corner.y >= corner.y) &&
(box.corner.x + box.size.x <= corner.x + size.x) &&
(box.corner.y + box.size.y <= corner.y + size.y)
);
};
void VoxelProjectedShadow::setVertex(int vertex, const glm::vec2& point) { void VoxelProjectedShadow::setVertex(int vertex, const glm::vec2& point) {
_vertices[vertex] = point; _vertices[vertex] = point;
@ -50,8 +60,6 @@ bool VoxelProjectedShadow::occludes(const VoxelProjectedShadow& occludee) const
} }
bool VoxelProjectedShadow::pointInside(const glm::vec2& point) const { bool VoxelProjectedShadow::pointInside(const glm::vec2& point) const {
bool pointInside = false; // assume the worst
// first check the bounding boxes, the point mush be fully within the boounding box of this shadow // first check the bounding boxes, the point mush be fully within the boounding box of this shadow
if ((point.x > getMaxX()) || if ((point.x > getMaxX()) ||
(point.y > getMaxY()) || (point.y > getMaxY()) ||

19
libraries/voxels/src/VoxelProjectedShadow.h
View file

@ -14,13 +14,20 @@ const int MAX_SHADOW_VERTEX_COUNT = 6;
typedef glm::vec2 ShadowVertices[MAX_SHADOW_VERTEX_COUNT]; typedef glm::vec2 ShadowVertices[MAX_SHADOW_VERTEX_COUNT];
class VoxelProjectedShadow class BoundingBox {
{ public:
BoundingBox(glm::vec2 corner, glm::vec2 size) : corner(corner), size(size) {};
glm::vec2 corner;
glm::vec2 size;
bool contains(const BoundingBox& box) const;
};
class VoxelProjectedShadow {
public: public:
VoxelProjectedShadow() : _vertexCount(0), _maxX(0.0f), _maxY(0.0f), _minX(FLT_MAX), _minY(FLT_MAX) { }; VoxelProjectedShadow(int vertexCount = 0) :
VoxelProjectedShadow(int vertexCount) : _vertexCount(vertexCount), _maxX(0.0f), _maxY(0.0f), _minX(FLT_MAX), _minY(FLT_MAX) _vertexCount(vertexCount), _maxX(-FLT_MAX), _maxY(-FLT_MAX), _minX(FLT_MAX), _minY(FLT_MAX)
{ }; { };
~VoxelProjectedShadow() { }; ~VoxelProjectedShadow() { };
@ -38,6 +45,10 @@ public:
float getMinX() const { return _minX; } float getMinX() const { return _minX; }
float getMinY() const { return _minY; } float getMinY() const { return _minY; }
BoundingBox getBoundingBox() const {
return BoundingBox(glm::vec2(_minX,_minY), glm::vec2(_maxX - _minX, _maxY - _minY));
};
private: private:
int _vertexCount; int _vertexCount;
ShadowVertices _vertices; ShadowVertices _vertices;