Created SpriteSheet

client/sprite_sheet.cpp

@@ -0,0 +1,20 @@
+#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 ((ticks += delta) > interval) {
+		if (++currentFrame >= maxFrames) {
+			currentFrame = 0;
+		}
+		ticks = 0;
+		SetClipX(currentFrame * GetClipW());
+		SetClipY(currentStrip * GetClipH());
+	}
+}