comparison: src/inputvertices.cpp
src/inputvertices.cpp
- changeset 322
- a39f454a3d7f
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| 321:180072db4a83 | 322:a39f454a3d7f |
|---|---|
| 1 #include "src/inputvertices.h" | |
| 2 | |
| 3 bool InputVertices::currentPointOnExistingPoint() const | |
| 4 { | |
| 5 const glm::vec3& pos = this->polygon.back(); | |
| 6 return std::any_of( | |
| 7 this->polygon.begin(), | |
| 8 this->polygon.end() - 1, | |
| 9 [&pos](const glm::vec3& p){return isclose(pos, p);}); | |
| 10 } | |
| 11 | |
| 12 std::size_t InputVertices::calcNumPoints() const | |
| 13 { | |
| 14 std::size_t result = this->polygon.size(); | |
| 15 if (this->currentPointOnExistingPoint()) { | |
| 16 result -= 1; | |
| 17 } | |
| 18 return result; | |
| 19 } | |
| 20 | |
| 21 void InputVertices::updateCurrentPoint(const glm::vec3& p) | |
| 22 { | |
| 23 this->polygon.back() = p; | |
| 24 this->numpoints = this->calcNumPoints(); | |
| 25 } | |
| 26 | |
| 27 void InputVertices::removeLastPoint() | |
| 28 { | |
| 29 if (this->polygon.size() > 1) { | |
| 30 this->polygon.erase(this->polygon.end() - 2); | |
| 31 this->numpoints = this->calcNumPoints(); | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 void InputVertices::finishCurrentPoint() | |
| 36 { | |
| 37 this->polygon.push_back(this->polygon.back()); | |
| 38 } | |
| 39 | |
| 40 void InputVertices::clear() | |
| 41 { | |
| 42 *this = {}; | |
| 43 } |
