void flux::updateWithScene(scene * inScene)
{
// randomize constants
if(inScene->randomizationFrequency)
{
randomize --;
if(randomize <= 0)
{
for(int i=0; i<NUMCONSTS; i++)
c[i] = myRandf(2.0f) - 1.0f;
int temp = 101 - inScene->randomizationFrequency;
temp = temp * temp;
randomize = temp + myRandi(temp);
}
}
// update constants
for(int i=0; i<NUMCONSTS; i++)
{
c[i] += cv[i];
if(c[i] >= 1.0f){
c[i] = 1.0f;
cv[i] = -cv[i];
}
if(c[i] <= -1.0f){
c[i] = -1.0f;
cv[i] = -cv[i];
}
}
// update all particles in this flux field
for(int i=0; i<inScene->particlesPerFluxCount; i++)
particles[i].updateWithScene(c,inScene);
}
void EuphoriaWidget::updateParameters()
{
srand((unsigned)time(NULL));
rand(); rand(); rand(); rand(); rand();
elapsedTime = 0.0f;
fr[0] = 0.0f;
fr[1] = 0.0f;
fr[2] = 0.0f;
fr[3] = 0.0f;
lr[0] = 0.0f;
lr[1] = 0.0f;
lr[2] = 0.0f;
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
glLineWidth(2.0f);
// Commented out because smooth lines and textures don't mix on my TNT.
// It's like it rendering in software mode
glEnable(GL_LINE_SMOOTH);
//glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
if(dTexture)
{
int whichtex = dTexture;
if(whichtex == 4) // random texture
whichtex = myRandi(3) + 1;
glEnable(GL_TEXTURE_2D);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
// Initialize texture
glGenTextures(1, &texName);
glBindTexture(GL_TEXTURE_2D, texName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
switch(whichtex){
case 1:
gluBuild2DMipmaps(GL_TEXTURE_2D, 1, TEXSIZE, TEXSIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, plasmamap);
break;
case 2:
gluBuild2DMipmaps(GL_TEXTURE_2D, 1, TEXSIZE, TEXSIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, stringymap);
break;
case 3:
gluBuild2DMipmaps(GL_TEXTURE_2D, 1, TEXSIZE, TEXSIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, linesmap);
}
} else if ( texName ) {
glDeleteTextures( 1, &texName );
texName = 0;
}
if(dFeedback)
{
feedbacktexsize = int(pow(2.0, dFeedbacksize));
while(feedbacktexsize > viewport[2] || feedbacktexsize > viewport[3]){
dFeedbacksize -= 1;
feedbacktexsize = int(pow(2.0, dFeedbacksize));
}
// feedback texture setup
glEnable(GL_TEXTURE_2D);
delete [] feedbackmap;
feedbackmap = new unsigned char[feedbacktexsize*feedbacktexsize*3];
glGenTextures(1, &feedbacktex);
glBindTexture(GL_TEXTURE_2D, feedbacktex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexImage2D(GL_TEXTURE_2D, 0, 3, feedbacktexsize, feedbacktexsize, 0, GL_RGB, GL_UNSIGNED_BYTE, feedbackmap);
// feedback velocity variable setup
fv[0] = float(dFeedbackspeed) * (myRandf(0.025f) + 0.025f);
fv[1] = float(dFeedbackspeed) * (myRandf(0.05f) + 0.05f);
fv[2] = float(dFeedbackspeed) * (myRandf(0.05f) + 0.05f);
fv[3] = float(dFeedbackspeed) * (myRandf(0.1f) + 0.1f);
lv[0] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
lv[1] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
lv[2] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
} else if ( feedbacktex ) {
glDeleteTextures( 1, &feedbacktex );
feedbacktex = 0;
}
// Initialize wisps
_ec = this;
delete[] _wisps;
delete[] _backwisps;
_wisps = new wisp[dWisps];
_backwisps = new wisp[dBackground];
}
