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Ajustement de la zone de déplacement au pointeur

This commit is contained in:
Mattéo Delabre 2016-04-10 02:20:39 +02:00
parent 76f9b3e081
commit 1e796855b7
1 changed files with 9 additions and 27 deletions
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36
src/editor.cpp
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@ -10,10 +10,7 @@ const sf::Color SELECT_RECT_BORDER_COLOR = sf::Color(33, 33, 33, 127);
const float WHEEL_SCROLL_SPEED = -7.f;
const float POINTER_SCROLL_SPEED = 5.f;
const float POINTER_SCROLL_MAX_SPEED = 10.f;
const float POINTER_SCROLL_STEP = 64.f;
const float ASSUME_TITLEBAR = 32.f;
const int POINTER_SCROLL_PADDING = 5;
const int POINTER_SCROLL_PADDING = 10;
Editor::Editor(Manager& manager) : Level(manager), drag_mode(DragMode::NONE),
widget_timer(manager, true, std::bind(&Editor::setTotalTime, this, std::placeholders::_1)),
@ -205,32 +202,17 @@ void Editor::draw() {
sf::View camera = getCamera();
sf::Vector2i mouse = sf::Mouse::getPosition(window);
sf::Vector2f change;
float absolute_diff;
// détection du dépassement sur un des 4 bords
if (mouse.x < POINTER_SCROLL_PADDING) {
absolute_diff = POINTER_SCROLL_PADDING - mouse.x;
change = sf::Vector2f(-POINTER_SCROLL_SPEED, 0);
} else if (mouse.x > window_size.x - POINTER_SCROLL_PADDING) {
absolute_diff = mouse.x - window_size.x + POINTER_SCROLL_PADDING;
change = sf::Vector2f(POINTER_SCROLL_SPEED, 0);
} else if (mouse.y < POINTER_SCROLL_PADDING) {
// on évite de scroller sur la barre de titre (c'est chiant)
if (mouse.y >= 0 || mouse.y < -ASSUME_TITLEBAR) {
absolute_diff = POINTER_SCROLL_PADDING - mouse.y;
change = sf::Vector2f(0, -POINTER_SCROLL_SPEED);
}
} else if (mouse.y > window_size.y - POINTER_SCROLL_PADDING) {
absolute_diff = mouse.y - window_size.y + POINTER_SCROLL_PADDING;
change = sf::Vector2f(0, POINTER_SCROLL_SPEED);
if (mouse.x < POINTER_SCROLL_PADDING && mouse.x >= -POINTER_SCROLL_PADDING) {
camera.move(sf::Vector2f(-POINTER_SCROLL_SPEED, 0));
} else if (mouse.x >= window_size.x - POINTER_SCROLL_PADDING && mouse.x < window_size.x + POINTER_SCROLL_PADDING) {
camera.move(sf::Vector2f(POINTER_SCROLL_SPEED, 0));
} else if (mouse.y < POINTER_SCROLL_PADDING && mouse.y >= -POINTER_SCROLL_PADDING) {
camera.move(sf::Vector2f(0, -POINTER_SCROLL_SPEED));
} else if (mouse.y >= window_size.y - POINTER_SCROLL_PADDING && mouse.y < window_size.y + POINTER_SCROLL_PADDING) {
camera.move(sf::Vector2f(0, POINTER_SCROLL_SPEED));
}
camera.move(change * std::min(
1 + absolute_diff / POINTER_SCROLL_STEP,
POINTER_SCROLL_MAX_SPEED
));
setCamera(camera);
}