X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=doc%2Findex.org;h=dddde5a2cd3d726cb03976647c10ac3a0972206c;hb=c9a54e8bc3635716b221f921f0d025d02d78b684;hp=904739d34830677feb432070fbad9f71a9607ebe;hpb=968fe6fc2df43441dca03d50d9fbc0cf41c746b4;p=sixth-3d.git diff --git a/doc/index.org b/doc/index.org index 904739d..dddde5a 100644 --- a/doc/index.org +++ b/doc/index.org @@ -1,14 +1,17 @@ #+TITLE: Sixth 3D - 3D engine ------ -- This is a subproject of [[https://www3.svjatoslav.eu/projects/sixth/][Sixth]] - -- Clone GIT repository using command: - : git clone https://www2.svjatoslav.eu/git/sixth-3d.git - -- [[https://www2.svjatoslav.eu/gitweb/?p=sixth-3d.git;a=snapshot;h=HEAD;sf=tgz][Download latest snapshot in TAR GZ format]] +* (document settings) :noexport: +** use dark style for TWBS-HTML exporter +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: +#+HTML_HEAD: -- See [[https://www3.svjatoslav.eu/projects/sixth-3d/apidocs/][JavaDoc]]. +* General +- This is a subproject of parent project: [[https://www3.svjatoslav.eu/projects/sixth/][Sixth]]. - This program is free software: you can redistribute it and/or modify it under the terms of the [[https://www.gnu.org/licenses/lgpl.html][GNU Lesser General Public License]] as @@ -22,15 +25,15 @@ - [[https://www.svjatoslav.eu/projects/][Other software projects hosted at svjatoslav.eu]] -* (document settings) :noexport: -** use dark style for TWBS-HTML exporter -#+HTML_HEAD: -#+HTML_HEAD: -#+HTML_HEAD: " -#+HTML_HEAD: +** Source code +- [[https://www2.svjatoslav.eu/gitweb/?p=sixth-3d.git;a=snapshot;h=HEAD;sf=tgz][Download latest snapshot in TAR GZ format]] + +- [[https://www2.svjatoslav.eu/gitweb/?p=sixth-3d.git;a=summary][Browse Git repository online]] + +- Clone Git repository using command: + : git clone https://www2.svjatoslav.eu/git/sixth-3d.git + +- See [[https://www3.svjatoslav.eu/projects/sixth-3d/apidocs/][JavaDoc]]. * Project description + See: [[https://www3.svjatoslav.eu/projects/sixth-3d-demos/][demos of current 3D engine capabilities]] @@ -120,6 +123,9 @@ Maven *pom.xml* file snippet: For API usage examples, see [[https://www3.svjatoslav.eu/projects/sixth-3d-demos/][demos]]. * TODO features to add ++ read this as example, and apply improvements/fixes where applicable: + http://blog.rogach.org/2015/08/how-to-create-your-own-simple-3d-render.html + + Partial region/frame repaint: when only one small object changed on the scene, it would be faster to re-render that specific area. @@ -130,30 +136,29 @@ For API usage examples, see [[https://www3.svjatoslav.eu/projects/sixth-3d-demos + Antialiazing. Would improve text readability. If antialiazing is too expensive for every frame, it could be used only for last frame before animations become still and waiting for user input starts. +** Render only visible polygons ++ This would significantly reduce RAM <-> CPU traffic. -+ Render only visible polygons. - + This would significantly reduce RAM <-> CPU traffic. - - + General algorithm description: - + For each horizontal scanline: - + sort polygon edges from left to right - + while iterating and drawing pixels over screen X axis (left to - right) track next appearing/disappearing polygons. - + For each polygon edge update Z sorted active polygons list. - + Only draw pixel from the top-most polygon. - + Only if polygon area is transparent/half-transparent add - colors from the polygons below. ++ General algorithm description: + + For each horizontal scanline: + + sort polygon edges from left to right + + while iterating and drawing pixels over screen X axis (left to + right) track next appearing/disappearing polygons. + + For each polygon edge update Z sorted active polygons list. + + Only draw pixel from the top-most polygon. + + Only if polygon area is transparent/half-transparent add + colors from the polygons below. - + As a bonus, this would allow to track which polygons are really - visible in the final scene for each frame. ++ As a bonus, this would allow to track which polygons are really + visible in the final scene for each frame. - + Such information allows further optimizations: + + Such information allows further optimizations: - + Dynamic geometry simplification: - + Dynamically detect and replace invisible objects from the - scene with simplified bounding box. + + Dynamic geometry simplification: + + Dynamically detect and replace invisible objects from the + scene with simplified bounding box. - + Dynamically replace boudnig box with actual object once it - becomes visible. + + Dynamically replace boudnig box with actual object once it + becomes visible. - + Dynamically unload unused textures from RAM. + + Dynamically unload unused textures from RAM.