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improved PlaneGrid

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This commit is contained in:
hyzboy
2023-09-29 02:59:10 +08:00
parent c9d6774bd3
commit e95cbb28a4
4 changed files with 34 additions and 35 deletions
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37
src/SceneGraph/InlineGeometry.cpp
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@@ -166,41 +166,44 @@ namespace hgl
{
PrimitiveCreater rc(db,vil);
if(!rc.Init(((pgci->step.x+1)+(pgci->step.y+1))*2))
if(!rc.Init(((pgci->grid_size.width+1)+(pgci->grid_size.height+1))*2))
return(nullptr);
AutoDelete<VB3f> vertex=rc.AccessVAD<VB3f>(VAN::Position);
for(uint row=0;row<=pgci->step.x;row++)
{
float pos=float(row)/float(pgci->step.x);
vertex->WriteLine( to(pgci->coord[0],pgci->coord[1],pos),
to(pgci->coord[3],pgci->coord[2],pos));
const float right=float(pgci->grid_size.width)/2.0f;
const float left =-right;
const float bottom=float(pgci->grid_size.height)/2.0f;
const float top =-bottom;
for(int row=0;row<=pgci->grid_size.height;row++)
{
vertex->WriteLine( Vector3f(left ,top+row,0),
Vector3f(right,top+row,0));
}
for(uint col=0;col<=pgci->step.y;col++)
for(int col=0;col<=pgci->grid_size.width;col++)
{
float pos=float(col)/float(pgci->step.y);
vertex->WriteLine(to(pgci->coord[1],pgci->coord[2],pos),
to(pgci->coord[0],pgci->coord[3],pos));
vertex->WriteLine(Vector3f(left+col,top, 0),
Vector3f(left+col,bottom,0));
}
AutoDelete<VB1f> lum=rc.AccessVAD<VB1f>(VAN::Luminance);
if(lum)
{
for(uint row=0;row<=pgci->step.x;row++)
for(int row=0;row<=pgci->grid_size.height;row++)
{
if((row%pgci->side_step.x)==0)
lum->RepeatWrite(pgci->side_lum,2);
if((row%pgci->sub_count.height)==0)
lum->RepeatWrite(pgci->sub_lum,2);
else
lum->RepeatWrite(pgci->lum,2);
}
for(uint col=0;col<=pgci->step.y;col++)
for(int col=0;col<=pgci->grid_size.width;col++)
{
if((col%pgci->side_step.y)==0)
lum->RepeatWrite(pgci->side_lum,2);
if((col%pgci->sub_count.width)==0)
lum->RepeatWrite(pgci->sub_lum,2);
else
lum->RepeatWrite(pgci->lum,2);
}