moved block rendering images to own folder in docs
Andrew Brown
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@@ -90,7 +90,7 @@ the process remains the same). In order to render a cube out of this, an `affine
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transformation`_ is applied to the texture in order to transform it to the top,
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transformation`_ is applied to the texture in order to transform it to the top,
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left, and right faces of the cube.
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left, and right faces of the cube.
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.. image:: texturecubing.png
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.. image:: blockrendering/texturecubing.png
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:alt: A texture gets rendered into a cube
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:alt: A texture gets rendered into a cube
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.. _affine transformation: http://en.wikipedia.org/wiki/Affine_transformation
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.. _affine transformation: http://en.wikipedia.org/wiki/Affine_transformation
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@@ -130,12 +130,12 @@ these steps:
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This produces an image of size 24 by 12 as seen in the following sequence.
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This produces an image of size 24 by 12 as seen in the following sequence.
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.. image:: texturetopsteps.png
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.. image:: blockrendering/texturetopsteps.png
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:alt: The 4 steps for transforming a texture square into the top of the cube.
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:alt: The 4 steps for transforming a texture square into the top of the cube.
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The final image, shown below, becomes the top of the cube.
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The final image, shown below, becomes the top of the cube.
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.. image:: cube_top.png
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.. image:: blockrendering/cube_top.png
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:alt: Top of the cube
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:alt: Top of the cube
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On the left is what will become the top of the block at actual size after the
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On the left is what will become the top of the block at actual size after the
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@@ -156,13 +156,13 @@ a shear.
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2. The 12 by 12 square is sheared by a factor of 1.5 in the Y direction,
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2. The 12 by 12 square is sheared by a factor of 1.5 in the Y direction,
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producing an image that is bounded by a 12 by 18 pixel square.
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producing an image that is bounded by a 12 by 18 pixel square.
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.. image:: texturesidesteps.png
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.. image:: blockrendering/texturesidesteps.png
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:alt: Texture being sheared for the side of the cube.
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:alt: Texture being sheared for the side of the cube.
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This image is simply flipped along the horizontal axis for the other visible
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This image is simply flipped along the horizontal axis for the other visible
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side of the cube.
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side of the cube.
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.. image:: cube_sides.png
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.. image:: blockrendering/cube_sides.png
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:alt: The sides of the block
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:alt: The sides of the block
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Again, shown on the left are the two sides of the block at actual size, the
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Again, shown on the left are the two sides of the block at actual size, the
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@@ -177,7 +177,7 @@ However, notice from the middle of the three images in the sequence below that
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the images as transformed don't fit together exactly. There is some overlap when
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the images as transformed don't fit together exactly. There is some overlap when
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put in the 24 by 24 box in which they must fit.
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put in the 24 by 24 box in which they must fit.
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.. image:: cube_parts.png
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.. image:: blockrendering/cube_parts.png
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:alt: How the cube parts fit together
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:alt: How the cube parts fit together
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There is one more complication. The cubes don't tessellate perfectly. This
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There is one more complication. The cubes don't tessellate perfectly. This
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@@ -185,7 +185,7 @@ diagram illustrates when a cube is positioned next to another. The lower cubes
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are 18 pixels lower and 12 pixels to either side, which is half the width and
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are 18 pixels lower and 12 pixels to either side, which is half the width and
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3/4 the height respectively.
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3/4 the height respectively.
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.. image:: tessellation.png
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.. image:: blockrendering/tessellation.png
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:alt: Cubes don't tessellate perfectly
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:alt: Cubes don't tessellate perfectly
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The solution is to manually touch up those 6 pixels. 3 pixels are added on the
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The solution is to manually touch up those 6 pixels. 3 pixels are added on the
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@@ -194,7 +194,7 @@ perfectly!
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This is done at the end of :func:`textures._build_block`
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This is done at the end of :func:`textures._build_block`
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.. image:: pixelfix.png
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.. image:: blockrendering/pixelfix.png
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:alt: The 6 pixels manually added to each cube.
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:alt: The 6 pixels manually added to each cube.
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Other Cube Types
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Other Cube Types
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