X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FWorld.h;h=9953e465901f3d2bca329fbdbb6d55a40f1395aa;hb=HEAD;hp=8a00f60541302a489d8e34565c916eecea3f7b5d;hpb=ba1cd7abc93eaacc3c25c0ad1b923b2ce7b280e2;p=gworm.git

diff --git a/src/world/World.h b/src/world/World.h
index 8a00f60..9953e46 100644
--- a/src/world/World.h
+++ b/src/world/World.h
@@ -24,12 +24,19 @@ public:
 
 	bool InBounds(Vector<int> pos) const
 		{ return pos.x > 0 && pos.y > 0 && pos.x < size.x && pos.y < size.y; }
-	int Index(Vector<int> pos) const { return pos.x * size.y + pos.y; }
+	int Index(Vector<int> pos) const { return pos.y * size.x + pos.x; }
 
 	float MassAt(Vector<int> pos) const { return masses[Index(pos)]; }
 	void SetMass(Vector<int> pos, float m) { masses[Index(pos)] = m; }
+
 	Color ColorAt(Vector<int> pos) const { return colors[Index(pos)]; }
-	void SetColor(Vector<int> pos, Color c) { colors[Index(pos)] = c; }
+	const Color *GetColors() const { return colors.data(); }
+	void SetColor(Vector<int> pos, Color c) {
+		colors[Index(pos)] = c;
+		colorDirty = true;
+	}
+	bool ColorDirty() const { return colorDirty; }
+	void CleanColor() { colorDirty = false; }
 
 	const std::list<Entity> &Entities() const { return entities; }
 	Entity &AddEntity(const Entity &);
@@ -45,6 +52,7 @@ private:
 
 	std::vector<float> masses;
 	std::vector<Color> colors;
+	bool colorDirty;
 
 	std::list<Entity> entities;