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Experimental: add "XactCylinder" to make a better patch cylinder

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This commit is contained in:
Rudolf Polzer 2011-10-07 11:56:48 +02:00
parent 9c436e5a25
commit 66cbc01bb8
3 changed files with 37 additions and 0 deletions
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27
radiant/patch.cpp
View File

@ -1400,6 +1400,33 @@ void Patch::ConstructPrefab(const AABB& aabb, EPatchPrefab eType, int axis, std:
return;
}
}
else if (eType == eXactCylinder)
{
int n = 6; // n = number of segments
setDims(2 * n + 1, 3);
// vPos[0] = vector3_subtracted(aabb.origin, aabb.extents);
// vPos[1] = aabb.origin;
// vPos[2] = vector3_added(aabb.origin, aabb.extents);
int i, j;
float f = 1 / cos(M_PI / n);
for(i = 0; i < 2*n+1; ++i)
{
float angle = (M_PI * i) / n;
float x = vPos[1][0] + cos(angle) * (vPos[2][0] - vPos[1][0]) * ((i&1) ? f : 1.0f);
float y = vPos[1][1] + sin(angle) * (vPos[2][1] - vPos[1][1]) * ((i&1) ? f : 1.0f);
for(j = 0; j < 3; ++j)
{
float z = vPos[j][2];
PatchControl *v;
v = &m_ctrl.data()[j*(2*n+1)+i];
v->m_vertex[0] = x;
v->m_vertex[1] = y;
v->m_vertex[2] = z;
}
}
}
else if (eType == eBevel)
{
unsigned char *pIndex;

1
radiant/patch.h
View File

@ -102,6 +102,7 @@ enum EPatchPrefab
eSqCylinder,
eCone,
eSphere,
eXactCylinder,
};
enum EMatrixMajor

9
radiant/patchmanip.cpp
View File

@ -432,6 +432,13 @@ AABB PatchCreator_getBounds()
return AABB(Vector3(0, 0, 0), Vector3(64, 64, 64));
}
void Patch_XactCylinder()
{
UndoableCommand undo("patchCreateXactCylinder");
Scene_PatchConstructPrefab(GlobalSceneGraph(), PatchCreator_getBounds(), TextureBrowser_GetSelectedShader(GlobalTextureBrowser()), eXactCylinder, GlobalXYWnd_getCurrentViewType());
}
void Patch_Cylinder()
{
UndoableCommand undo("patchCreateCylinder");
@ -743,6 +750,7 @@ void Patch_registerCommands()
GlobalCommands_insert("DecPatchRow", FreeCaller<Patch_DeleteLastRow>(), Accelerator(GDK_KP_Subtract, (GdkModifierType)GDK_CONTROL_MASK));
GlobalCommands_insert("NaturalizePatch", FreeCaller<Patch_NaturalTexture>(), Accelerator('N', (GdkModifierType)GDK_CONTROL_MASK));
GlobalCommands_insert("PatchCylinder", FreeCaller<Patch_Cylinder>());
GlobalCommands_insert("PatchXactCylinder", FreeCaller<Patch_XactCylinder>());
GlobalCommands_insert("PatchDenseCylinder", FreeCaller<Patch_DenseCylinder>());
GlobalCommands_insert("PatchVeryDenseCylinder", FreeCaller<Patch_VeryDenseCylinder>());
GlobalCommands_insert("PatchSquareCylinder", FreeCaller<Patch_SquareCylinder>());
@ -788,6 +796,7 @@ void Patch_constructMenu(GtkMenu* menu)
create_menu_item_with_mnemonic(menu_in_menu, "Dense Cylinder", "PatchDenseCylinder");
create_menu_item_with_mnemonic(menu_in_menu, "Very Dense Cylinder", "PatchVeryDenseCylinder");
create_menu_item_with_mnemonic(menu_in_menu, "Square Cylinder", "PatchSquareCylinder");
create_menu_item_with_mnemonic(menu_in_menu, "Exact Cylinder", "PatchXactCylinder");
}
menu_separator (menu);
create_menu_item_with_mnemonic(menu, "End cap", "PatchEndCap");