2D Gfx Tutorial - (Part 2) -

In this second issue of Amiga Blast, we'll reuse previous issue concepts to create platform gamaes, such as Super Frog, Super Mario Bros and so on

We have to organize smartly the palette. Choose the PALETTE menu (press P, on Brilliance and DPaint), insert following colours: 

- Col. N: 0  -  RGB: 0,0,0
- Col. N: 5  -  RGB: 33,66,123
- Col. N: 10 -  RGB: 255,255,255
- Col. N: 11 -  RGB: 49,24,0
- Col. N: 17 -  RGB: 189,148,107
- Col. N: 18 -  RGB: 255,0,0
- Col. N: 21 -  RGB: 255,255,0
Do a SPEAD between: 5 and 1, 10 and 5, 10 and 17, 18 and 21.

Now select filled rectangle and draw a 16x16 box, which we'll use as mask. Do a BRUSH of it and copy it many times on the screen, draw points of different colours on it (see A row in example pic) and execute a SMOOTH on the box. Now edit our box "brick" in this way: 

- Up left and left sides, with white colour with transparence.
- Down right and right, with black colour with transparence.
Note the light effect up left.

Keep this brick to create the upper part (a sort of ceiling) for our playfield. With this brick, use Transparence Smooth and filled boxes. Please, notice the shadow effect which allows you to bold volumes (see B row in example pic). To create it, just use Transparence and apply colours form dark to light on the smoothed block

Now we'll create the playzone of our player. (see C row in example pic) with the same operation such as brick creation. 

- Up left and left, 2 pixels white line with transparence.
- Down and right, 2 pixels black line with transparence.
Now the main block:

copy the brick and blit it in the same way of your example pic (see D row in example pic) activate transparence and use it to create shadings, then copy some blocks one after another. With the transparence active, blit again the brush in the same place where it was blitted before. You'll notice blocks will be mixed together creating a better block than the original one.

Now create the background block (see E row in example pic)

Here we have ended the second lession. Load 2D_TOTAL.GIF to see how blocks can be used. It is better to increase blocks in the same way of example pic (see F,G,H,I rows in example pic)

Note Well: In next issues we'll join 3D and 2D Gfx to create games with graphic Donkey Kong Country or Super Mario RPG.

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    Written By: Andrea Rotondo      e-mail: fsoft@intercom.it
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