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added dragging scroll button for music volume

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This commit is contained in:
Ariari04 2025-12-10 20:39:09 +06:00
parent 0f937e2e02
commit fec7e08c2b
2 changed files with 72 additions and 10 deletions
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70
Game.cpp
View File

@ -233,9 +233,7 @@ void Game::setup() {
musicVolumeBarButtonTexture = std::make_unique<Texture>(CreateTextureDataFromPng("./resources/musicVolumeBarButton.png", CONST_ZIP_FILE));
float musicVolumeBarButtonButtonCenterX = 1195.0f;
float musicVolumeBarButtonButtonCenterY = 350.0f;
float musicVolumeBarButtonButtonRadius = 25.0f;
musicVolumeBarButton.data.PositionData.push_back({ musicVolumeBarButtonButtonCenterX - musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY - musicVolumeBarButtonButtonRadius, 0 });
musicVolumeBarButton.data.PositionData.push_back({ musicVolumeBarButtonButtonCenterX - musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY + musicVolumeBarButtonButtonRadius, 0 });
@ -366,7 +364,37 @@ void Game::drawBoxes()
renderer.shaderManager.PopShader();
CheckGlError();
}
void Game::UpdateVolumeKnob() {
float musicVolumeBarButtonButtonCenterY = volumeBarMinY + musicVolume * (volumeBarMaxY - volumeBarMinY);
auto& pos = musicVolumeBarButton.data.PositionData;
pos[0] = { musicVolumeBarButtonButtonCenterX - musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY - musicVolumeBarButtonButtonRadius, 0 };
pos[1] = { musicVolumeBarButtonButtonCenterX - musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY + musicVolumeBarButtonButtonRadius, 0 };
pos[2] = { musicVolumeBarButtonButtonCenterX + musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY + musicVolumeBarButtonButtonRadius, 0 };
pos[3] = { musicVolumeBarButtonButtonCenterX - musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY - musicVolumeBarButtonButtonRadius, 0 };
pos[4] = { musicVolumeBarButtonButtonCenterX + musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY + musicVolumeBarButtonButtonRadius, 0 };
pos[5] = { musicVolumeBarButtonButtonCenterX + musicVolumeBarButtonButtonRadius, musicVolumeBarButtonButtonCenterY - musicVolumeBarButtonButtonRadius, 0 };
musicVolumeBarButton.RefreshVBO();
}
void Game::UpdateVolumeFromMouse(int mouseX, int mouseY) {
int uiX = mouseX;
int uiY = Environment::height - mouseY;
if (uiY < volumeBarMinY || uiY > volumeBarMaxY)
{
return;
}
float t = (uiY - volumeBarMinY) / (volumeBarMaxY - volumeBarMinY);
if (t < 0.0f) t = 0.0f;
if (t > 1.0f) t = 1.0f;
musicVolume = t;
UpdateVolumeKnob();
}
void Game::drawUI()
{
static const std::string defaultShaderName = "default";
@ -510,21 +538,43 @@ void Game::update() {
}
else if (event.type == SDL_MOUSEBUTTONDOWN) {
// 1. Îáðàáîòêà íàæàòèÿ êíîïêè ìûøè
std::cout << event.button.x << " " << event.button.y << '\n';
Environment::tapDownHold = true;
// Êîîðäèíàòû íà÷àëüíîãî íàæàòèÿ
Environment::tapDownStartPos.v[0] = event.button.x;
Environment::tapDownStartPos.v[1] = event.button.y;
// Íà÷àëüíàÿ ïîçèöèÿ òàêæå ñòàíîâèòñÿ òåêóùåé
Environment::tapDownCurrentPos.v[0] = event.button.x;
Environment::tapDownCurrentPos.v[1] = event.button.y;
int mx = event.button.x;
int my = event.button.y;
std::cout << mx << " " << my << '\n';
int uiX = mx;
int uiY = Environment::height - my;
if (uiX >= volumeBarMinX && uiX <= volumeBarMaxX &&
uiY >= volumeBarMinY && uiY <= volumeBarMaxY) {
isDraggingVolume = true;
UpdateVolumeFromMouse(mx, my);
}
else {
Environment::tapDownHold = true;
// Êîîðäèíàòû íà÷àëüíîãî íàæàòèÿ
Environment::tapDownStartPos.v[0] = event.button.x;
Environment::tapDownStartPos.v[1] = event.button.y;
// Íà÷àëüíàÿ ïîçèöèÿ òàêæå ñòàíîâèòñÿ òåêóùåé
Environment::tapDownCurrentPos.v[0] = event.button.x;
Environment::tapDownCurrentPos.v[1] = event.button.y;
}
}
else if (event.type == SDL_MOUSEBUTTONUP) {
// 2. Îáðàáîòêà îòïóñêàíèÿ êíîïêè ìûøè
isDraggingVolume = false;
Environment::tapDownHold = false;
}
else if (event.type == SDL_MOUSEMOTION) {
// 3. Îáðàáîòêà ïåðåìåùåíèÿ ìûøè
int mx = event.motion.x;
int my = event.motion.y;
if (isDraggingVolume) {
// Äâèãàåì ìûøü ïî ñëàéäåðó — ìåíÿåì ãðîìêîñòü è ïîçèöèþ êðóæêà
UpdateVolumeFromMouse(mx, my);
}
if (Environment::tapDownHold) {
// Îáíîâëåíèå òåêóùåé ïîçèöèè, åñëè êíîïêà óäåðæèâàåòñÿ
Environment::tapDownCurrentPos.v[0] = event.motion.x;

12
Game.h
View File

@ -66,6 +66,18 @@ private:
std::shared_ptr<Texture> musicVolumeBarButtonTexture;
VertexRenderStruct musicVolumeBarButton;
bool isDraggingVolume = false;
float musicVolume = 1.0f;
float volumeBarMinX = 1190.0f;
float volumeBarMaxX = 1200.0f;
float volumeBarMinY = 100.0f;
float volumeBarMaxY = 600.0f;
float musicVolumeBarButtonButtonCenterX = 1195.0f;
float musicVolumeBarButtonButtonRadius = 25.0f;
void UpdateVolumeFromMouse(int mouseX, int mouseY);
void UpdateVolumeKnob();
};
} // namespace ZL