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