spotlight.psh
资源名称:bfyy.rar [点击查看]
上传用户:tangyu_668
上传日期:2014-02-27
资源大小:678k
文件大小:1k
源码类别:
多媒体编程
开发平台:
Visual C++
- sampler s0 : register(s0);
- float4 p0 : register(c0);
- float4 p1 : register(c1);
- #define width (p0[0])
- #define height (p0[1])
- #define counter (p0[2])
- #define clock (p0[3])
- #define one_over_width (p1[0])
- #define one_over_height (p1[1])
- #define PI acos(-1)
- float4 main(float2 tex : TEXCOORD0) : COLOR
- {
- float4 c0 = tex2D(s0, tex);
- float3 lightsrc = float3(sin(clock*PI/1.5)/2+0.5,cos(clock*PI)/2+0.5,1);
- float3 light = normalize(lightsrc - float3(tex.x,tex.y,0));
- c0 *= pow(dot(light, float3(0,0,1)), 50);
- return c0;
- }