void GoogleMapWidget::resizeGL(int width, int height)
{
// New viewport
glViewport(0, 0, width, height);
// Let the shader know the size
// TODO: Send a new matrix
renderer.setUniformValue("size", width, height);
// Tile for each side + tiles on screen
gridWidth = ((width / Tile::SIZE) + 1) + 1;
gridHeight = ((height / Tile::SIZE) + 1) + 1;
// Clear all vertices
vbo.clear();
// Reserve exact size for the VBO, since we know the size in advance
// 4 Vertices per tile
vbo.reserve((gridWidth * 4) * (gridHeight * 4));
// Generate the grid starting from outside the screen
for(int y=0; y<gridHeight; ++y) {
for(int x=0; x<gridWidth; ++x)
vbo << generateTile(QVector2D(x, y));
}
// Set the generated VBO data
renderer.setAttributeArray("position", vbo.constData() + 0, sizeof(QVector2D) * 2);
renderer.setAttributeArray("texture", vbo.constData() + 1, sizeof(QVector2D) * 2);
// Recenter screen
setCenter(center);
}
Chunk& WorldGenerator::generateChunk( const Point& targetChunkPosition, Chunk& target ) const noexcept
{
for( uint16_t iteratorY = 0; iteratorY < Chunk::sizeInTiles; iteratorY++ )
{
for( uint16_t iteratorX = 0; iteratorX < Chunk::sizeInTiles; iteratorX++ )
{
Point firstTile = Point::tilePosition( targetChunkPosition, Chunk::sizeInTiles );
Point targetTilePosition = { firstTile.x + ( int ) iteratorX, firstTile.y + ( int ) iteratorY };
generateTile( targetTilePosition, target.value[ iteratorX ][ iteratorY ] );
}
}
return target;
}
