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File Info |
Browsing as Guest |
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Yeti 3D Engine (GBA version by Derek John Evans) ported by jduranmaster
- The current viewport is 120x80 pixels, 15bit. - All textures are 64x64 8bit. - Textures are converted to 15bit via a pre-calculated lighting LUT. - Polygons can be any convex shape. Only squares are currently used. - Each vertex is described as X, Y, Z, U, V and brightness. - The renderer uses 24:8 fixed point maths. - Polygons are clipped in 3D space using 45 degree planes. Distance to plane calculations therefore use only additions and subtractions. - Polygon edges are clipped using one divide and 6 multiplies. - 4 clipping planes are used. No front plane is required. No back plane is used. - No per-span clipping is used. Fixed point errors are hidden offscreen. - Ray-casting is used to build a visablity list and valid polygon rendering order. - Models are merged into the VIS without sorting. - No Z-buffers are used. Rendering is back-to-front (painters algorithm). - The is an acceptable level of overdraw. Complete polygons are culled. Polygon edges are drawn faster than using a per span clipper. - Lighting is pre-calculated on startup. Lighting can be moved at runtime. - Lighting is expanded per vertex and interpolated along polygon edges. - A reciprocal table is used to eliminate all divides from the DDA texture mapper. - The affine texture loop is unrolled and renders blocks of 32 pixels. |
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Name: |
Yeti3D for Wiz.rar |
Date: |
30/09/2010 |
Size: |
116.8 KB |
Version: |
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Author: |
Derek John Evans, port by jduranmaster |
Website: |
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Downloads: |
322 |
Full English Review: |
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Connection |
Download Time |
56k Modem |
21.2 secs |
128k ISDN |
9.0 secs |
256k Cable/DSL |
4.3 secs |
512k Cable/DSL |
2.2 secs |
1mbit Link |
1.1 secs |
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Download |
Please note: The comment section is NOT intended to ask for help. Please use the I need Help-Section at the boards.
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%%COMMENTFORM%% |
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