ConvexPoly ConvexPoly::
transform(const Transform &xform)
{
std::vector<Vector> xvs;
for (size_t i = 0; i < vs.size(); i++) {
xvs.push_back(xform * vs[i]);
}
return ConvexPoly(xvs, &color);
}
ConvexPoly
Rectangle(const Vector &v1, const Vector &v2,
const Color *color)
{
std::vector<Vector> vs;
vs.push_back(Vector(fmin(v1.x, v2.x), fmin(v1.y, v2.y)));
vs.push_back(Vector(fmax(v1.x, v2.x), fmin(v1.y, v2.y)));
vs.push_back(Vector(fmax(v1.x, v2.x), fmax(v1.y, v2.y)));
vs.push_back(Vector(fmin(v1.x, v2.x), fmax(v1.y, v2.y)));
return ConvexPoly(vs, color);
}
ConvexPoly
Rectangle(const Vector &vertex1, const Vector &vertex2,
const Color * inputColorPointer, bool positive)
{
std::vector<Vector> vertices;
vertices.push_back(Vector(fmin(vertex1.x, vertex2.x), fmin(vertex1.y, vertex2.y)));
vertices.push_back(Vector(fmax(vertex1.x, vertex2.x), fmin(vertex1.y, vertex2.y)));
vertices.push_back(Vector(fmax(vertex1.x, vertex2.x), fmax(vertex1.y, vertex2.y)));
vertices.push_back(Vector(fmin(vertex1.x, vertex2.x), fmax(vertex1.y, vertex2.y)));
return ConvexPoly(vertices, inputColorPointer, positive);
}
ConvexPoly
LineSegment(const Vector &v1, const Vector &v2,
float thickness, const Color *color)
{
Vector d = v2 - v1;
float tmp = d.x;
d.x = -d.y;
d.y = tmp;
d = d * (thickness / d.length() / 2);
std::vector<Vector> vs;
vs.push_back(v1 + d);
vs.push_back(v1 - d);
vs.push_back(v2 - d);
vs.push_back(v2 + d);
return ConvexPoly(vs, color);
}
ConvexPoly
LineSegment(const Vector &vertex1, const Vector &vertex2, float thickness,
const Color *inputColorPointer, bool positive)
{
Vector d = vertex2 - vertex1;
float tmp = d.x;
d.x = -d.y;
d.y = tmp;
d = d * (thickness / d.Length() / 2);
std::vector<Vector> vertices;
vertices.push_back(vertex1 + d);
vertices.push_back(vertex1 - d);
vertices.push_back(vertex2 - d);
vertices.push_back(vertex2 + d);
return ConvexPoly(vertices, inputColorPointer, positive);
}
ConvexPoly
Triangle(const std::vector<Vector> &ps, const Color *color)
{
return ConvexPoly(ps, color);
}
ConvexPoly
Triangle(const std::vector<Vector> &vertices, const Color * inputColorPointer, bool positive)
{
return ConvexPoly(vertices, inputColorPointer, positive);
}
