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Impl drawing of white triangles

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This commit is contained in:
Stephen Seo 2020-07-22 15:28:36 +09:00
parent b9d7a0496d
commit d7b8dd23a9
2 changed files with 30 additions and 6 deletions
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31
src/state.cpp
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@ -17,8 +17,11 @@ currentTri_state(CurrentState::NONE)
ImGui::SFML::Init(window);
window.setFramerateLimit(60);
currentTri.setPointCount(3);
currentTri.setFillColor(sf::Color::White);
pointCircle.setRadius(7.0f);
pointCircle.setOrigin(7.0f, 7.0f);
pointCircle.setFillColor(sf::Color::White);
pointCircle.setOutlineColor(sf::Color::Black);
pointCircle.setOutlineThickness(1.0f);
}
Tri::State::~State() {
@ -39,12 +42,21 @@ void Tri::State::handle_events() {
} else if(event.type == sf::Event::MouseButtonPressed) {
switch(currentTri_state) {
case CurrentState::NONE:
currentTri[0] = sf::Vector2f(event.mouseButton.x, event.mouseButton.y);
currentTri_state = CurrentState::FIRST;
break;
case CurrentState::FIRST:
currentTri[1] = sf::Vector2f(event.mouseButton.x, event.mouseButton.y);
currentTri_state = CurrentState::SECOND;
break;
case CurrentState::SECOND:
break;
case CurrentState::THIRD:
currentTri[2] = sf::Vector2f(event.mouseButton.x, event.mouseButton.y);
tris.emplace_back(sf::ConvexShape(3));
tris.back().setPoint(0, currentTri[0]);
tris.back().setPoint(1, currentTri[1]);
tris.back().setPoint(2, currentTri[2]);
tris.back().setFillColor(sf::Color::White); // TODO use chosen color
currentTri_state = CurrentState::NONE;
break;
}
}
@ -64,6 +76,17 @@ void Tri::State::draw() {
window.clear();
ImGui::SFML::Render(window);
// draw tris
for(auto& tri : tris) {
window.draw(tri);
}
// draw points
for(unsigned int i = 0; i < currentTri_state; ++i) {
pointCircle.setPosition(currentTri[i]);
window.draw(pointCircle);
}
window.display();
}

5
src/state.hpp
View file

@ -25,8 +25,9 @@ namespace Tri {
sf::RenderWindow window;
std::vector<sf::ConvexShape> tris;
sf::ConvexShape currentTri;
enum CurrentState { NONE, FIRST, SECOND, THIRD } currentTri_state;
sf::Vector2f currentTri[3];
enum CurrentState { NONE = 0, FIRST = 1, SECOND = 2} currentTri_state;
sf::CircleShape pointCircle;
sf::Event event;