21 lines
516 B
C++
21 lines
516 B
C++
#include "sprite_sheet.h"
|
|
|
|
SpriteSheet::SpriteSheet(SDL_Surface* s, int w, int h)
|
|
: Image(s, {0, 0, (Uint16)w, (Uint16)h})
|
|
{
|
|
currentFrame = 0; maxFrames = GetSurface()->w / GetClipW();
|
|
currentStrip = 0; maxStrips = GetSurface()->h / GetClipH();
|
|
interval = ticks = 0;
|
|
}
|
|
|
|
void SpriteSheet::Update(int delta) {
|
|
if (interval && (ticks += delta) > interval) {
|
|
if (++currentFrame >= maxFrames) {
|
|
currentFrame = 0;
|
|
}
|
|
ticks = 0;
|
|
}
|
|
SetClipX(currentFrame * GetClipW());
|
|
SetClipY(currentStrip * GetClipH());
|
|
}
|