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- Reestructuración de ficheros y directorios general

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- merge v0.01 --> Añadido fileselector
- Añadidas fuentes de Gem y Pure Data
- pix2jpg incluído en Gem. Archivos de construcción de Gem modificados.
- Añadido fichero ompiling.txt con instrucciones de compilación
This commit is contained in:
Santi Noreña 2013-02-04 18:00:17 +01:00
parent c9adfd020b
commit e85d191b46
3100 changed files with 775434 additions and 3073 deletions
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164
Gem/examples/10.glsl/link.frag Normal file
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// Cyrille Henry 2008
#extension GL_ARB_texture_rectangle : enable
uniform sampler2DRect texture_mass, texture_mass_old, texture_normal;
uniform float init, gravite;
uniform vec2 wind;
uniform float D;
uniform float K1; // rigiditée liaison
uniform float W,f,N; // amplitude du Wind et frequence; Noise
uniform float t; //temps
varying vec2 coord;
vec2 test1(vec2 V)
{
// return(max(min(V,vec2(64.)),vec2(0.)));
return(V);
}
void main (void)
{
vec4 force = vec4(0,1.,0.,1.);
if ( (coord.x < 92.) && (coord.y < 64.) )
{
vec3 dist;
float taille;
vec4 pos = texture2DRect(texture_mass, coord );// -vec4(0.5);
vec4 pos_old = texture2DRect(texture_mass_old,coord );// -vec4(0.5);
vec4 posG = texture2DRect(texture_mass, (coord+vec2(-1., 0.)));// -vec4(0.5);
vec4 posD = texture2DRect(texture_mass, (coord+vec2( 1., 0.)));// -vec4(0.5);
vec4 posH = texture2DRect(texture_mass, (coord+vec2( 0., 1.)));// -vec4(0.5);
vec4 posB = texture2DRect(texture_mass, (coord+vec2( 0.,-1.)));// -vec4(0.5);
vec4 posHD = texture2DRect(texture_mass, (coord+vec2( 1.,-1.)));// -vec4(0.5);
vec4 posBG = texture2DRect(texture_mass, (coord+vec2(-1., 1.)));// -vec4(0.5);
vec4 posHG = texture2DRect(texture_mass, (coord+vec2( 1., 1.)));// -vec4(0.5);
vec4 posBD = texture2DRect(texture_mass, (coord+vec2(-1.,-1.)));// -vec4(0.5);
vec4 pos2G = texture2DRect(texture_mass, (coord+vec2(-2., 0.)));// -vec4(0.5);
vec4 pos2D = texture2DRect(texture_mass, (coord+vec2( 2., 0.)));// -vec4(0.5);
vec4 pos2H = texture2DRect(texture_mass, (coord+vec2( 0., 2.)));// -vec4(0.5);
vec4 pos2B = texture2DRect(texture_mass, (coord+vec2( 0.,-2.)));// -vec4(0.5);
// lecture des position des masses voisinnes
force = pos-pos_old;
// ajout de la force d'inertie (conservation de la vitesse)
force *= 1.-D;
// damping relatif a un point fix
// ATTENTION, c'est le seul damping du system!
// 4 liens direct (gauche / droite et haut / bas)
// on ajoute une force ssi la taille est > 0
// on limite aussi ds l'espace pour ne prendre en compte que le lien valide (effet de bord)
dist = pos.xyz - posG.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x > 1.) )
{ force.xyz += -K1 * (taille - 1./1000.)* normalize(dist); }
dist = pos.xyz - posD.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x < 91.) )
{ force.xyz += -K1 * (taille - 1./1000.)* normalize(dist); }
dist = pos.xyz - posH.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.y < 63.) )
{ force.xyz += -K1 * (taille - 1./1000.)* normalize(dist); }
dist = pos.xyz - posB.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.y > 1.) )
{ force.xyz += -K1 * (taille - 1./1000.)* normalize(dist); }
// 4 liens diagonaux (haut gauche, bas droite, etc)
dist = pos.xyz - posHD.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x < 91.) && (coord.y > 1.) )
{ force.xyz += -K1 * (taille - 1.4142/1000.)* normalize(dist); }
dist = pos.xyz - posBG.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x > 1.) && (coord.y < 63.) )
{ force.xyz += -K1 * (taille - 1.4142/1000.)* normalize(dist); }
dist = pos.xyz - posHG.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x < 91.) && (coord.y < 63.) )
{ force.xyz += -K1 * (taille - 1.4142/1000.)* normalize(dist); }
dist = pos.xyz - posBD.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x > 1.) && (coord.y > 1.) )
{ force.xyz += -K1 * (taille - 1.4142/1000.)* normalize(dist); }
// 4 liens double longeur (rigidité de flexion)
dist = pos.xyz - pos2G.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x > 2.) )
{ force.xyz += -K1 * (taille - 2./1000.)* normalize(dist); }
dist = pos.xyz - pos2D.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.x < 90.) )
{ force.xyz += -K1 * (taille - 2./1000.)* normalize(dist); }
dist = pos.xyz - pos2H.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.y < 62.) )
{ force.xyz += -K1 * (taille - 2./1000.)* normalize(dist); }
dist = pos.xyz - pos2B.xyz ;
taille = length(dist) ;
if ( (taille > 0.) && (coord.y > 2.) )
{ force.xyz += -K1 * (taille - 2./1000.)* normalize(dist); }
// autres forces
vec4 normal = texture2DRect(texture_normal, coord*64.) -vec4(0.5);
normal = normalize(normal);
// float force_wind = abs(dot(normalize(vec3(wind.xy,0.)),normal.xyz));
force.r += wind.x/100.;
force.g += gravite/100.;
force.b += wind.y/100.;
// ajout d'une force sinusoidal perpendiculaire a la direction du vent
float W_sin = cos(-t + f*0.01*gl_TexCoord[0].s);
W_sin *= 91.- gl_TexCoord[0].s;
W_sin /= 91.;
W_sin *= 91.- gl_TexCoord[0].s;
W_sin /= 91.;
W_sin *= gl_TexCoord[0].t + 50.;
W_sin /= 63.;
W_sin *= gl_TexCoord[0].t + 50.;
W_sin /= 63.;
force.x += W*(-wind.y*W_sin);
force.z += W*( wind.x*W_sin);
// ajout d'un pseuo buit
float W_noiseX = cos(t + 0.353 * coord.t + 0.0234434* coord.s + 345.2342);
W_noiseX = cos(123456.35345 * W_noiseX + 234.23);
float W_noiseY = cos(-2.2 * t + 6235.457456 * W_noiseX + 567.456);
float W_noiseZ = cos(5.*t + 8976457.457 * W_noiseX + 3464.54);
W_noiseX = cos(323344.64345 * W_noiseX + 567.45);
force.x += 0.00001 * N * W_noiseX;
force.y += 0.00001 * N * W_noiseY;
force.z += 0.00001 * N * W_noiseZ;
// preparation de la sortie
force = min(max(force,vec4(-0.5)),vec4(0.5));
// min et max pour virer les +inf
force += vec4(0.5,0.5,0.5,1.);
// ajout de l'ofset pour etre entre 0 et 1
force.a = 1.;
// on vire la 4eme composante au cas ou.
}
gl_FragColor = mix(force,vec4(0.5,0.5,0.5,1.),init);
}