texture things

libcygnet/src/Renderer.cc

@@ -206,8 +206,8 @@ void Renderer::uploadTileAtlas(const void *data, int width, int height) {
 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
 	glCheck();
 
 	state_->atlasTexSize = {
@@ -242,8 +242,8 @@ RenderChunk Renderer::createChunk(
 	glBindTexture(GL_TEXTURE_2D, chunk.tex);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
 	glCheck();
 
 	static_assert(

libcygnet/src/shaders.cc

@@ -63,7 +63,7 @@ const char *chunkFr = R"glsl(
 			tileID + v_tileCoord.x - tilePos.x,
 			floor(tileID / tileAtlasSize.x) + v_tileCoord.y - tilePos.y);
 
-		gl_FragColor = texture2D(tileAtlas, fract(atlasPos / tileAtlasSize));
+		gl_FragColor = texture2D(tileAtlas, atlasPos / tileAtlasSize);
 	}
 )glsl";