src/linetypes/circularprimitive.cpp@b4beff48bb7a (annotated)
src/linetypes/circularprimitive.cpp
Wed, 25 May 2022 17:42:02 +0300
- author
- Teemu Piippo <teemu@hecknology.net>
- date
- Wed, 25 May 2022 17:42:02 +0300
- changeset 193
- b4beff48bb7a
- parent 186
- 922662adb72a
- child 196
- 6bcb284679d4
- permissions
- -rw-r--r--
Simplify PolygonCache
| 186 | 1 | #include "circularprimitive.h" |
| 2 | ||
| 3 | ldraw::CircularPrimitive::CircularPrimitive(CircularPrimitiveType type, int segments, int divisions) : | |
| 4 | type{type}, | |
| 5 | segments{segments}, | |
| 6 | divisions{divisions} | |
| 7 | { | |
| 8 | } | |
| 9 | ||
| 10 | QVariant ldraw::CircularPrimitive::getProperty(Property property) const | |
| 11 | { | |
| 12 | switch (property) | |
| 13 | { | |
| 14 | case Property::Segments: | |
| 15 | return this->segments; | |
| 16 | case Property::Divisions: | |
| 17 | return this->divisions; | |
| 18 | case Property::CircularPrimitiveType: | |
| 19 | return this->type; | |
| 20 | default: | |
| 21 | return BaseClass::getProperty(property); | |
| 22 | } | |
| 23 | } | |
| 24 | ||
| 25 | QString ldraw::CircularPrimitive::textRepresentation() const | |
| 26 | { | |
| 27 | return circularPrimitiveTypeName(this->type) + " " + QString::number(this->fraction()); | |
| 28 | } | |
| 29 | ||
| 30 | QString ldraw::CircularPrimitive::circularPrimitiveTypeName(CircularPrimitiveType type) | |
| 31 | { | |
| 32 | switch (type) | |
| 33 | { | |
| 34 | case Circle: | |
| 35 | return QObject::tr("Circle"); | |
| 36 | case Disc: | |
| 37 | return QObject::tr("Disc"); | |
| 38 | } | |
| 39 | } | |
| 40 | ||
| 41 | ldraw::Object::Type ldraw::CircularPrimitive::typeIdentifier() const | |
| 42 | { | |
| 43 | return ldraw::Object::Type::CircularPrimitive; | |
| 44 | } | |
| 45 | ||
| 46 | QDataStream &ldraw::CircularPrimitive::serialize(QDataStream &stream) const | |
| 47 | { | |
| 48 | return BaseClass::serialize(stream) << this->type << this->segments << this->divisions; | |
| 49 | } | |
| 50 | ||
| 51 | QDataStream &ldraw::CircularPrimitive::deserialize(QDataStream &stream) | |
| 52 | { | |
| 53 | return BaseClass::deserialize(stream) >> this->type >> this->segments >> this->divisions; | |
| 54 | } | |
| 55 | ||
| 56 | QString ldraw::CircularPrimitive::toLDrawCode() const | |
| 57 | { | |
| 58 | return utility::format( | |
| 59 | "0 !LDFORGE CIRCULAR_PRIMITIVE %1 %2 %3 %4", | |
| 60 | static_cast<int>(this->type), | |
| 61 | this->segments, | |
| 62 | this->divisions, | |
| 63 | this->transformToBareString()); | |
| 64 | } | |
| 65 | ||
| 66 | QString ldraw::CircularPrimitive::iconName() const | |
| 67 | { | |
| 68 | return ":/icons/linetype-circularprimitive.png"; | |
| 69 | } | |
| 70 | ||
| 71 | QString ldraw::CircularPrimitive::typeName() const | |
| 72 | { | |
| 73 | return QObject::tr("circular primitive"); | |
| 74 | } | |
| 75 | ||
| 76 | void ldraw::CircularPrimitive::getPolygons(std::vector<gl::Polygon> &polygons, GetPolygonsContext *) const | |
| 77 | { | |
| 78 | for (int i = 0; i < this->segments; i += 1) | |
| 79 | { | |
| 80 | const float ang_1 = (2 * math::pi * i) / this->divisions; | |
| 81 | const float ang_2 = (2 * math::pi * (i + 1)) / this->divisions; | |
| 82 | const glm::vec3 p_1 = {std::sin(ang_1), 0, std::cos(ang_1)}; | |
| 83 | const glm::vec3 p_2 = {std::sin(ang_2), 0, std::cos(ang_2)}; | |
| 84 | switch (this->type) | |
| 85 | { | |
| 86 | case Circle: | |
| 87 | polygons.push_back(gl::edgeLine( | |
| 88 | p_1, | |
| 89 | p_2, | |
| 90 | this->colorIndex, | |
| 91 | this->id)); | |
| 92 | break; | |
| 93 | case Disc: | |
| 94 | polygons.push_back(gl::triangle( | |
| 95 | {0, 0, 0}, | |
| 96 | p_1, | |
| 97 | p_2, | |
| 98 | this->colorIndex, | |
| 99 | this->id)); | |
| 100 | break; | |
| 101 | } | |
| 102 | } | |
| 103 | } | |
| 104 | ||
| 105 | float ldraw::CircularPrimitive::fraction() const | |
| 106 | { | |
| 107 | return static_cast<float>(this->segments) / static_cast<float>(this->divisions); | |
| 108 | } |
