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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.
| 3 Comments |
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