bool PitMorph::DoSequence( TimeClock* timeClock )
{
const float SPEED = 4.0f * ( TERRAIN_HEIGHT / 10.0f );
// m term in y = mx+b
const float SLOPE = 1.0f;
bool last = false;
Lilith3D* lilith = Lilith3D::Instance();
TerrainMesh* tmesh = lilith->GetTerrainMesh();
float height = tmesh->Height( terrainX, terrainY ) - timeClock->CalcVelocity( SPEED );
height = Clamp( height, TERRAIN_MIN, TERRAIN_MAX );
// essentially the x-intecept:
// y = mx + b, b=height
// x = -height / m
float radius = ( TERRAIN_MAX - height ) / SLOPE;
int irad = int( radius ) + 1;
Rectangle2I bounds;
bounds.Set( terrainX - irad, terrainY - irad, terrainX + irad, terrainY + irad );
Rectangle2I constrain;
constrain.Set( 0, 0, lilith3d::VERTEXSIZE-1, lilith3d::VERTEXSIZE-1 );
bounds.DoIntersection( constrain );
// Do the center first.
if ( height <= altitude )
last = true;
if ( tmesh->Height( terrainX, terrainY ) > altitude )
{
tmesh->StartHeightChange();
tmesh->SetHeight( terrainX, terrainY, height );
for( int j=bounds.min.y; j<=bounds.max.y; ++j )
{
for( int i=bounds.min.x; i<=bounds.max.x; ++i )
{
if ( i != terrainX || j != terrainY )
{
float len = Length( float( terrainX-i ), float( terrainY-j ), 0.0f );
float setHeight = len*SLOPE + height;
if ( setHeight < tmesh->Height( i, j ) )
tmesh->SetHeight( i, j, setHeight );
}
}
}
tmesh->EndHeightChange();
}
for( Publisher< PitMorphListener >::const_iterator it = publish.begin();
it != publish.end();
++it )
{
if ( last )
(*it)->PitDone( this, terrainX, terrainY, height );
else
(*it)->PitSink( this, terrainX, terrainY, height );
}
return last;
}
bool VolcanoMorph::DoSequence( TimeClock* timeClock )
{
const float SPEED = 4.0f * ( TERRAIN_HEIGHT / 10.0f );
// m term in y = mx+b
const float SLOPE = -1.3f;
const float SMOOTH_RADIUS = 3.0f;
bool last = false;
Lilith3D* lilith = Lilith3D::Instance();
TerrainMesh* tmesh = lilith->GetTerrainMesh();
float height = tmesh->Height( terrainX, terrainY ) + timeClock->CalcVelocity( SPEED );
height = Clamp( height, TERRAIN_MIN, TERRAIN_MAX );
// essentially the x-intecept:
// y = mx + b, b=height
// x = -height / m
float radius = -( height - TERRAIN_MIN ) / SLOPE;
int irad = int( radius ) + 1;
Rectangle2I bounds;
bounds.Set( terrainX - irad, terrainY - irad, terrainX + irad, terrainY + irad );
Rectangle2I constrain;
constrain.Set( 0, 0, lilith3d::VERTEXSIZE-1, lilith3d::VERTEXSIZE-1 );
bounds.DoIntersection( constrain );
// Do the center first.
if ( height >= altitude )
last = true;
if ( tmesh->Height( terrainX, terrainY ) < altitude )
{
tmesh->StartHeightChange();
tmesh->SetHeight( terrainX, terrainY, height );
for( int j=bounds.min.y; j<=bounds.max.y; ++j )
{
for( int i=bounds.min.x; i<=bounds.max.x; ++i )
{
if ( i != terrainX || j != terrainY )
{
float len = Length( float( terrainX-i ), float( terrainY-j ) );
float setHeight = len*SLOPE + height;
if ( len < SMOOTH_RADIUS )
setHeight += fuzzHeight[ (j*lilith3d::VERTEXSIZE+i) % FUZZ_SIZE ];
if ( setHeight > tmesh->Height( i, j ) )
tmesh->SetHeight( i, j, setHeight );
}
}
}
tmesh->EndHeightChange();
}
// Inform listeners of changes.
for( Publisher< VolcanoMorphListener >::const_iterator it = publish.begin();
it != publish.end();
++it )
{
if ( !last )
(*it)->VolcanoGrow( this, terrainX, terrainY, height );
else
(*it)->VolcanoDone( this, terrainX, terrainY, height );
}
// And now the particles and lights!
const float FUZZ = 4.0f;
const float FUZZMORE = 8.0f;
float alt = tmesh->Height( terrainX, terrainY );
GravParticles* grav = lilith->GetGravParticles();
TimeClock* tc = Lilith3D::GetTimeClock();
while ( tc->Msec() > lastParticleTime )
{
lastParticleTime += 50;
Vector3F loc = { (float)terrainX, (float)terrainY, alt };
Vector3F vel = { -FUZZ / 2 + rand.FRand( FUZZ ), // velocity
-FUZZ / 2 + rand.FRand( FUZZ ),
SPEED * 1.3f };
Color3F col = { 0.8f + rand.FRand(0.2f), // coloring
0.6f + rand.FRand(0.2f),
0.0f };
grav->Create( loc, vel, col,
GravParticles::GRAVITY,
1.0f,
GravParticles::FLAME0 );
for( int i=0; i<3; ++i )
{
Vector3F vel2 = { -FUZZMORE / 2 + rand.FRand( FUZZMORE ),
-FUZZMORE / 2 + rand.FRand( FUZZMORE ),
SPEED * 0.8f };
Color3F col2 = { 1.0f, 0.0f, 0.0f };
grav->Create( loc, vel2, col2,
GravParticles::GRAVITY,
GravParticles::MEDIUM );
}
}
// glowLight->SetPos( (float)terrainX, (float)terrainY, alt );
if ( decal ) {
decal->SetAlpha( 1.0f );
const float FADEOUT = 0.8f * altitude;
if ( alt > FADEOUT ) {
decal->SetAlpha( Interpolate( FADEOUT, 1.0f, altitude, 0.0f, alt ));
}
}
return last;
}