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-rw-r--r--src/TextureAtlas.cpp34
1 files changed, 24 insertions, 10 deletions
diff --git a/src/TextureAtlas.cpp b/src/TextureAtlas.cpp
index 23ab92d..ad62073 100644
--- a/src/TextureAtlas.cpp
+++ b/src/TextureAtlas.cpp
@@ -13,6 +13,8 @@ TextureAtlas::TextureAtlas(std::vector<TextureData> &textures) {
//Texture packing
const int textureSize = 1024;
+ const int padding = 1;
+ const int paddingLimit = 128;
std::vector<stbrp_rect> totalRects;
for (int i = 0; i < textures.size(); i++) {
@@ -20,8 +22,13 @@ TextureAtlas::TextureAtlas(std::vector<TextureData> &textures) {
rect.id = i;
rect.x = 0;
rect.y = 0;
- rect.w = textures[i].width;
- rect.h = textures[i].height;
+ if (textures[i].width >= paddingLimit || textures[i].height >= paddingLimit) {
+ rect.w = textures[i].width;
+ rect.h = textures[i].height;
+ } else {
+ rect.w = textures[i].width + padding * 2;
+ rect.h = textures[i].height + padding * 2;
+ }
rect.was_packed = 0;
totalRects.push_back(rect);
}
@@ -51,15 +58,22 @@ TextureAtlas::TextureAtlas(std::vector<TextureData> &textures) {
unpackedTextures++;
continue;
}
- textureCoords[it.id].pixelX = it.x;
- textureCoords[it.id].pixelY = it.y;
- textureCoords[it.id].pixelW = it.w;
- textureCoords[it.id].pixelH = it.h;
+ if (it.w >= paddingLimit || it.h >= paddingLimit) {
+ textureCoords[it.id].pixelX = it.x;
+ textureCoords[it.id].pixelY = it.y;
+ textureCoords[it.id].pixelW = it.w;
+ textureCoords[it.id].pixelH = it.h;
+ } else {
+ textureCoords[it.id].pixelX = it.x + padding;
+ textureCoords[it.id].pixelY = it.y + padding;
+ textureCoords[it.id].pixelW = it.w - padding * 2;
+ textureCoords[it.id].pixelH = it.h - padding * 2;
+ }
+ textureCoords[it.id].x = (double)textureCoords[it.id].pixelX / textureSize;
+ textureCoords[it.id].y = (double)textureCoords[it.id].pixelY / textureSize;
+ textureCoords[it.id].w = (double)textureCoords[it.id].pixelW / textureSize;
+ textureCoords[it.id].h = (double)textureCoords[it.id].pixelH / textureSize;
textureCoords[it.id].layer = layer;
- textureCoords[it.id].x = (double)it.x / textureSize;
- textureCoords[it.id].y = (double)it.y / textureSize;
- textureCoords[it.id].w = (double)it.w / textureSize;
- textureCoords[it.id].h = (double)it.h / textureSize;
totalRects[it.id].was_packed = 1;
}
if (unpackedTextures == 0)