particlefloor.nvv

游戏编程精华02－含有几十个游戏编程例子

/************************************************************************
particleFloor.nvv

Vertex Shader for the floor of the Particle System

Each vertex contains
    v0: position
    v1: 2D texture coordinates

This vertex shader simply transform the position and copies the 
texture coordinates.


Copyright (C) 1999, 2000 NVIDIA Corporation
*************************************************************************/

#include "ParticleSystem.h"

vs.1.1

; Transform position to clip space
dp4 oPos.x, v0, c[VSC_WORLDVIEW_PROJ_0]
dp4 oPos.y, v0, c[VSC_WORLDVIEW_PROJ_1]
dp4 oPos.z, v0, c[VSC_WORLDVIEW_PROJ_2]
dp4 oPos.w, v0, c[VSC_WORLDVIEW_PROJ_3]

; copy texture coordinates
mov oT0.xy, v1