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Sky and Terrian

Sky and Terrian. Tiantian Xie 523514108@qq.com. Agenda. Sky skybox skydome Terrian Demo Resource. Skybox. A skybox consists of box mesh texture for sky( rsc ). Skydome. A skydome consists of semisphere mesh texture for sky( rsc ). for each normalized p(x,y,z) s=x/2+0.5

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Sky and Terrian

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  1. Sky and Terrian Tiantian Xie 523514108@qq.com

  2. Agenda • Sky • skybox • skydome • Terrian • Demo • Resource

  3. Skybox • A skybox consists of • box mesh • texture for sky(rsc)

  4. Skydome • A skydome consists of • semisphere mesh • texture for sky(rsc) for each normalized p(x,y,z) s=x/2+0.5 t= z/2 - 0.5

  5. Terrian • A Terrian consists of • height mesh • procedure generation(right top) • exported from ps/3dmax,...(right bottom) • textures • global (left) • local (right) procedue generation exported from ps where white indicates 1.0 and black indicates 0.0

  6. Demo

  7. Demo • setup 500 1°/sec x 256 cell range:1~2000 Cell width: 2.0 z Eye:(30,30,-30) at:(0,0,0) up:(0,1,0)

  8. Demo • Terrian Apply global texture set fragment input color to its height height map combine GL_MODULE (2*arg0*arg1) textue coordinate scale:256.0 reset input fragment color (1,1,1)

  9. Resource • Terrian and Sky online tutorial • OpenGL terrian generation • Sky resource • skybox • skydome • Terrain resource • Heightmaps

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