Raindrops

From GameStudio Wiki

Lite-C:

---

Material and function to adjust the effect:

//Raindrops
BMAP* Raindrops_bmap = "Raindrops.jpg";
MATERIAL* Raindrops_mat =
{
	skin1 = Raindrops_bmap;
	effect = "rain_drops.fx";
}

function Raindrops_set_Value(xMovemen,yMovement)
{
	Raindrops_mat.skill1 = floatv(xMovemen);	//usually 0
	Raindrops_mat.skill2 = floatv(yMovement); //very small around 0.01
}

The rain_drops.fx file:

/////////////////////////////////////////////////////////////////////////
///////Raindrops Effect from Sylex 3.0 by Sebastian Leopold (XeXeS)//////
/////////////////////////////////////////////////////////////////////////

// Texturen:
texture TargetMap; // Original Scene
texture mtlSkin1; // Effekttexture 1

// Variablen
float4 vecSkill1; // Effektskills 1-4
float4 vecTime;

sampler postTex = sampler_state
{
   texture = (TargetMap);
   MinFilter = linear;
   MagFilter = linear;
   MipFilter = linear;
   AddressU = Clamp;
   AddressV = Clamp;
};

sampler bumpTex = sampler_state
{
   texture = (mtlSkin1);
   MinFilter = linear; 
   MagFilter = linear; 
   MipFilter = linear; 
   AddressU = Wrap;
   AddressV = Wrap;
};

// Pixelshader 
float4 PS_RainDrops(float2 tex0 : TEXCOORD0) : COLOR
{
	float2 temp;
	temp.x = tex0.x+vecSkill1.x*vecTime.w;
	temp.y = tex0.y+vecSkill1.y*vecTime.w;
   float2 pixel = tex2D(bumpTex,temp).rg*5;
   temp.x = (tex0.x + pixel.x * 0.01f);
   temp.y = (tex0.y + pixel.y * 0.01f);
   return float4(tex2D(postTex,temp*(1-pixel.x * 0.01f)).rgb,1.0);
}

// Technik 1
technique tech_00
{
   pass pass_00
   {
      PixelShader = compile ps_2_0 PS_RainDrops();
   }
}

technique fallback { pass one { } }

You also need this image "Raindrops.jpg":

C-Script

---

Material and function to adjust the effect:

//Raindrops
bmap Raindrops_bmap = <Raindrops.jpg>;
material Raindrops_mat
{
	skin1 = Raindrops_bmap;
	effect = "rain_drops.fx";
}

function Raindrops_set_Value(xMovemen,yMovement)
{
	Raindrops_mat.skill1 = floatv(xMovemen);	//usually 0
	Raindrops_mat.skill2 = floatv(yMovement); //very small around 0.01
}

The rain_drops.fx file:

/////////////////////////////////////////////////////////////////////////
///////Raindrops Effect from Sylex 3.0 by Sebastian Leopold (XeXeS)//////
/////////////////////////////////////////////////////////////////////////

// Texturen:
texture entSkin1; // Original Scene
texture mtlSkin1; // Effekttexture 1

// Variablen
float4 vecSkill1; // Effektskills 1-4
float4 vecTime;

sampler postTex = sampler_state
{
   texture = (entSkin1);
   MinFilter = linear;
   MagFilter = linear;
   MipFilter = linear;
   AddressU = Clamp;
   AddressV = Clamp;
};

sampler bumpTex = sampler_state
{
   texture = (mtlSkin1);
   MinFilter = linear; 
   MagFilter = linear; 
   MipFilter = linear; 
   AddressU = Wrap;
   AddressV = Wrap;
};

// Pixelshader 
float4 PS_RainDrops(float2 tex0 : TEXCOORD0) : COLOR
{
	float2 temp;
	temp.x = tex0.x+vecSkill1.x*vecTime.w;
	temp.y = tex0.y+vecSkill1.y*vecTime.w;
   float2 pixel = tex2D(bumpTex,temp).rg*5;
   temp.x = (tex0.x + pixel.x * 0.01f);
   temp.y = (tex0.y + pixel.y * 0.01f);
   return float4(tex2D(postTex,temp*(1-pixel.x * 0.01f)).rgb,1.0);
}

// Technik 1
technique tech_00
{
   pass pass_00
   {
      PixelShader = compile ps_2_0 PS_RainDrops();
   }
}

technique tech_01
{
	pass pass_00
	{
		Texture[0] = <entSkin1>;
	}
}

You also need this image "Raindrops.jpg":

--Slin 01:35, 11 November 2007 (CET)