www.pudn.com > packmk2.rar > v2_heightmapgen.fx

	// oi oi 
 
//float		amplitude; 
float		scale; 
//float		mapsize_x,mapsize_y; 
 
struct VS_INPUT 
{ 
    float3  Pos     : POSITION; 
    float2  tc     : TEXCOORD0; 
}; 
 
struct VS_OUTPUT 
{ 
	float4  Pos			: POSITION; 
	float2  tc0			: TEXCOORD0;	 
	float2  tc1			: TEXCOORD1; 
}; 
 
texture noise0; 
texture noise1; 
 
// samplers 
sampler N0 = sampler_state  
{ 
	texture = ; 
	AddressU  = WRAP;		 
	AddressV  = WRAP; 
	MIPFILTER = LINEAR; //LINEAR; 
	MINFILTER = LINEAR; 
	MAGFILTER = LINEAR; 
	MipMapLodBias = 0; 
}; 
sampler N1 = sampler_state  
{ 
	texture = ; 
	AddressU  = WRAP;		 
	AddressV  = WRAP; 
	MIPFILTER = LINEAR; //LINEAR; 
	MINFILTER = LINEAR; 
	MAGFILTER = LINEAR; 
	MipMapLodBias = 0; 
}; 
 
/*float4 calc_worldpos(float2 uv) 
{	 
	float4	origin = float4(uv.xy,-1,1); 
    float4	direction = float4(uv.xy,1,1); 
     
    origin	  = mul(origin, mProjector); 
    direction = mul(direction, mProjector) - origin;  
     
    float	l = -origin.y / direction.y; 
     
    float4 worldPos = origin + direction*l; 
    worldPos /= worldPos.w; 
	return worldPos; 
}*/ 
 
 
VS_OUTPUT VShader(VS_INPUT i) 
{ 
	VS_OUTPUT o; 
	o.Pos = float4( i.tc.x*2-1,1-i.tc.y*2, 0, 1 ); 
	o.tc0 = scale*i.Pos.xz*0.007813; 
	o.tc1 = scale*i.Pos.xz*0.125; 
//	o.tc0 = i.tc; 
//	o.tc1 = 16*i.tc; 
	return o; 
} 
 
 
float4 PShader(VS_OUTPUT i) : COLOR 
{	 
	//return float4(1,0,0,1); 
	//return tex2D(N0, i.tc0); 
	//return tex2D(N1, i.tc1); 
	return tex2D(N0, i.tc0) + tex2D(N1, i.tc1) - 0.5; 
} 
 
technique T0 
{ 
	pass P0 
	{ 
		vertexshader = compile vs_2_0 VShader(); 
		pixelshader = compile ps_2_0 PShader();   
	} 
}