Messages

1

Graphics / Image set pixel & Texture update - Nothing happens?

« on: May 23, 2018, 10:24:31 pm »

I'm trying to edit the pixels of a particular image, but the image does not change, it remains the same.

                sf::Vector2u size = internalImage[i].image->getSize();

                for (int x = 0; x < size.x; x++) {
                        for (int y = 0; y < size.y; y++) {
                                internalImage[i].image->setPixel(x, y, sf::Color(0, 0, 0, 255));;
                        }
                }

                internalTexture[t].texture->update(*internalImage[i].image);

Any tips or alternative method?

2

Graphics / Re: Rectangle size 1/2 = 2/4?

« on: May 23, 2018, 10:11:43 pm »

I have created 7 rectangles of 1 width and 2 height to create a rain effect.

Look the result:


Each rectangle is 2/4 and not 1/2

3

Graphics / Rectangle size 1/2 = 2/4?

« on: May 23, 2018, 06:37:13 pm »

I trying to create a rectangle of size 1 width 2 height, but in the screen appears a 2 width 4 height.

Here is the code:
      <sup>sf::RectangleShape *rectangle = new sf::RectangleShape;

      rectangle->setSize(sf::Vector2f(width, height));
      rectangle->setFillColor(sf::Color(color[0], color[1], color[2], color[3]));

      rectangle->setPosition(x, y);
      rectangle->move(offx * -1, offy * -1);
      rectangle->setFillColor(sf::Color(oColor.r, oColor.g, oColor.b, opacity));</sup>

4

General / Rotate sprite and preserve position

« on: May 21, 2018, 08:34:14 pm »

Hello!
I want to rotate a sprite in it's own center, my try:

         <sup>sf::Sprite sprite(*internalTexture[t].texture, sf::IntRect(rect[0], rect[1], rect[2], rect[3]));

         sprite.setPosition(sf::Vector2f(x, y));
         sprite.move(sf::Vector2f(offx * -1, offy * -1));

         if (opacity < 255)
         {
            sprite.setColor(sf::Color(255, 255, 255, opacity));
         }

         if (rotation > 0.0)
         {
            sprite.setOrigin(sf::Vector2f(rect[2] / 2, rect[3] / 2));
            sprite.setRotation(-rotation);
         }</sup>

Actually the position of the sprite is not preserved :/