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deprecated-irrlicht-mac
Commit 225d51e2 authored by hybrid's avatar hybrid
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Add the two missing parameters to volume light mesh creation. 

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2344 dfc29bdd-3216-0410-991c-e03cc46cb475
parent 58fcce16
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Showing with 76 additions and 68 deletions
include/IGeometryCreator.h
View file @ 225d51e2
......@@ -123,14 +123,19 @@ public:
//! Create a volume light mesh.
/**
\param SubdivideU Horizontal patch count.
\param SubdivideV Vertical patch count.
\param FootColor Color at the bottom of the light.
\param TailColor Color at the mid of the light.
\param subdivideU Horizontal patch count.
\param subdivideV Vertical patch count.
\param footColor Color at the bottom of the light.
\param tailColor Color at the mid of the light.
\param lpDistance Virtual distance of the light point for normals.
\param lightDim Dimensions of the light.
*/
virtual IMesh* createVolumeLightMesh(const u32 SubdivideU, const u32 SubdivideV,
const video::SColor FootColor,
const video::SColor TailColor) const =0;
virtual IMesh* createVolumeLightMesh(
const u32 subdivideU=32, const u32 subdivideV=32,
const video::SColor footColor = 0xffffffff,
const video::SColor tailColor = 0xffffffff,
const f32 lpDistance = 8.f,
const core::vector3df& lightDim = core::vector3df(1.f,1.2f,1.f)) const =0;
};
......
source/Irrlicht/CGeometryCreator.cpp
View file @ 225d51e2
......@@ -697,37 +697,36 @@ void CGeometryCreator::addToBuffer(const video::S3DVertex& v, SMeshBuffer* Buffe
IMesh* CGeometryCreator::createVolumeLightMesh(
const u32 SubdivideU, const u32 SubdivideV,
const video::SColor FootColor, const video::SColor TailColor) const
const u32 subdivideU, const u32 subdivideV,
const video::SColor footColor, const video::SColor tailColor,
const f32 lpDistance, const core::vector3df& lightDim) const
{
const f32 LPDistance = 8.0f;
const core::vector3df LightDimensions = core::vector3df(1.0f, 1.2f, 1.0f) ;
SMeshBuffer* Buffer = new SMeshBuffer();
Buffer->setHardwareMappingHint(EHM_STATIC);
const core::vector3df lightPoint(0, -(LPDistance*LightDimensions.Y), 0);
const f32 ax = LightDimensions.X * 0.5f; // X Axis
const f32 az = LightDimensions.Z * 0.5f; // Z Axis
const core::vector3df lightPoint(0, -(lpDistance*lightDim.Y), 0);
const f32 ax = lightDim.X * 0.5f; // X Axis
const f32 az = lightDim.Z * 0.5f; // Z Axis
Buffer->Vertices.clear();
Buffer->Vertices.reallocate(6+12*(SubdivideU+SubdivideV));
Buffer->Vertices.reallocate(6+12*(subdivideU+subdivideV));
Buffer->Indices.clear();
Buffer->Indices.reallocate(6+12*(SubdivideU+SubdivideV));
Buffer->Indices.reallocate(6+12*(subdivideU+subdivideV));
//draw the bottom foot.. the glowing region
addToBuffer(video::S3DVertex(-ax, 0, az, 0,0,0, FootColor, 0, 1),Buffer);
addToBuffer(video::S3DVertex( ax, 0, az, 0,0,0, FootColor, 1, 1),Buffer);
addToBuffer(video::S3DVertex( ax, 0,-az, 0,0,0, FootColor, 1, 0),Buffer);
addToBuffer(video::S3DVertex(-ax, 0, az, 0,0,0, footColor, 0, 1),Buffer);
addToBuffer(video::S3DVertex( ax, 0, az, 0,0,0, footColor, 1, 1),Buffer);
addToBuffer(video::S3DVertex( ax, 0,-az, 0,0,0, footColor, 1, 0),Buffer);
addToBuffer(video::S3DVertex( ax, 0,-az, 0,0,0, FootColor, 1, 0),Buffer);
addToBuffer(video::S3DVertex(-ax, 0,-az, 0,0,0, FootColor, 0, 0),Buffer);
addToBuffer(video::S3DVertex(-ax, 0, az, 0,0,0, FootColor, 0, 1),Buffer);
addToBuffer(video::S3DVertex( ax, 0,-az, 0,0,0, footColor, 1, 0),Buffer);
addToBuffer(video::S3DVertex(-ax, 0,-az, 0,0,0, footColor, 0, 0),Buffer);
addToBuffer(video::S3DVertex(-ax, 0, az, 0,0,0, footColor, 0, 1),Buffer);
f32 tu = 0.f;
const f32 tuStep = 1.f/SubdivideU;
const f32 tuStep = 1.f/subdivideU;
f32 bx = -ax;
const f32 bxStep = LightDimensions.X * tuStep;
const f32 bxStep = lightDim.X * tuStep;
// Slices in X/U space
for (u32 i = 0; i <= SubdivideU; ++i)
for (u32 i = 0; i <= subdivideU; ++i)
{
// These are the two endpoints for a slice at the foot
core::vector3df end1(bx, 0.0f, -az);
......@@ -735,7 +734,7 @@ IMesh* CGeometryCreator::createVolumeLightMesh(
end1 -= lightPoint; // get a vector from point to lightsource
end1.normalize(); // normalize vector
end1 *= LightDimensions.Y; // multiply it out by shootlength
end1 *= lightDim.Y; // multiply it out by shootlength
end1.X += bx; // Add the original point location to the vector
end1.Z -= az;
......@@ -743,37 +742,37 @@ IMesh* CGeometryCreator::createVolumeLightMesh(
// Do it again for the other point.
end2 -= lightPoint;
end2.normalize();
end2 *= LightDimensions.Y;
end2 *= lightDim.Y;
end2.X += bx;
end2.Z += az;
addToBuffer(video::S3DVertex(bx , 0, az, 0,0,0, FootColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(bx , 0, -az, 0,0,0, FootColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, TailColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(bx , 0, az, 0,0,0, footColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(bx , 0, -az, 0,0,0, footColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, tailColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(bx , 0, -az, 0,0,0, FootColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(end1.X , end1.Y, end1.Z, 0,0,0, TailColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, TailColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(bx , 0, -az, 0,0,0, footColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(end1.X , end1.Y, end1.Z, 0,0,0, tailColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, tailColor, tu, 1),Buffer);
//back side
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, TailColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(-bx , 0, -az, 0,0,0, FootColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(-bx , 0, az, 0,0,0, FootColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, tailColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(-bx , 0, -az, 0,0,0, footColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(-bx , 0, az, 0,0,0, footColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(-bx , 0, az, 0,0,0, FootColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(-end1.X , end1.Y, -end1.Z, 0,0,0, TailColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, TailColor, tu, 1),Buffer);
addToBuffer(video::S3DVertex(-bx , 0, az, 0,0,0, footColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(-end1.X , end1.Y, -end1.Z, 0,0,0, tailColor, tu, 0),Buffer);
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, tailColor, tu, 1),Buffer);
tu += tuStep;
bx += bxStep;
}
f32 tv = 0.f;
const f32 tvStep = 1.f/SubdivideV;
const f32 tvStep = 1.f/subdivideV;
f32 bz = -az;
const f32 bzStep = LightDimensions.Z * tvStep;
const f32 bzStep = lightDim.Z * tvStep;
// Slices in Z/V space
for(u32 i = 0; i <= SubdivideV; ++i)
for(u32 i = 0; i <= subdivideV; ++i)
{
// These are the two endpoints for a slice at the foot
core::vector3df end1(-ax, 0.0f, bz);
......@@ -781,7 +780,7 @@ IMesh* CGeometryCreator::createVolumeLightMesh(
end1 -= lightPoint; // get a vector from point to lightsource
end1.normalize(); // normalize vector
end1 *= LightDimensions.Y; // multiply it out by shootlength
end1 *= lightDim.Y; // multiply it out by shootlength
end1.X -= ax; // Add the original point location to the vector
end1.Z += bz;
......@@ -789,27 +788,27 @@ IMesh* CGeometryCreator::createVolumeLightMesh(
// Do it again for the other point.
end2 -= lightPoint;
end2.normalize();
end2 *= LightDimensions.Y;
end2 *= lightDim.Y;
end2.X += ax;
end2.Z += bz;
addToBuffer(video::S3DVertex(-ax , 0, bz, 0,0,0, FootColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(ax , 0, bz, 0,0,0, FootColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, TailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(-ax , 0, bz, 0,0,0, footColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(ax , 0, bz, 0,0,0, footColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, tailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, TailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(end1.X , end1.Y, end1.Z, 0,0,0, TailColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(-ax , 0, bz, 0,0,0, FootColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(end2.X , end2.Y, end2.Z, 0,0,0, tailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(end1.X , end1.Y, end1.Z, 0,0,0, tailColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(-ax , 0, bz, 0,0,0, footColor, 0, tv),Buffer);
//back side
addToBuffer(video::S3DVertex(ax , 0, -bz, 0,0,0, FootColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(-ax , 0, -bz, 0,0,0, FootColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, TailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(ax , 0, -bz, 0,0,0, footColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(-ax , 0, -bz, 0,0,0, footColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, tailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, TailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(-end1.X , end1.Y, -end1.Z, 0,0,0, TailColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(ax , 0, -bz, 0,0,0, FootColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(-end2.X , end2.Y, -end2.Z, 0,0,0, tailColor, 1, tv),Buffer);
addToBuffer(video::S3DVertex(-end1.X , end1.Y, -end1.Z, 0,0,0, tailColor, 0, tv),Buffer);
addToBuffer(video::S3DVertex(ax , 0, -bz, 0,0,0, footColor, 0, tv),Buffer);
tv += tvStep;
bz += bzStep;
}
......
source/Irrlicht/CGeometryCreator.h
View file @ 225d51e2
......@@ -39,17 +39,21 @@ public:
IMesh* createSphereMesh(f32 radius, u32 polyCountX, u32 polyCountY) const;
IMesh* createCylinderMesh(f32 radius, f32 length, u32 tesselation,
const video::SColor& color=video::SColor(0xffffffff),
bool closeTop=true, f32 oblique=0.f) const;
IMesh* createConeMesh(f32 radius, f32 length, u32 tesselation,
const video::SColor& colorTop=video::SColor(0xffffffff),
const video::SColor& colorBottom=video::SColor(0xffffffff), f32 oblique=0.f) const;
IMesh* createVolumeLightMesh(const u32 SubdivideU, const u32 SubdivideV,
const video::SColor FootColor,
const video::SColor TailColor) const;
IMesh* createCylinderMesh(f32 radius, f32 length, u32 tesselation,
const video::SColor& color=0xffffffff,
bool closeTop=true, f32 oblique=0.f) const;
IMesh* createConeMesh(f32 radius, f32 length, u32 tesselation,
const video::SColor& colorTop=0xffffffff,
const video::SColor& colorBottom=0xffffffff,
f32 oblique=0.f) const;
IMesh* createVolumeLightMesh(
const u32 subdivideU=32, const u32 subdivideV=32,
const video::SColor footColor=0xffffffff,
const video::SColor tailColor=0xffffffff,
const f32 lpDistance = 8.f,
const core::vector3df& lightDim = core::vector3df(1.f,1.2f,1.f)) const;
};
......
source/Irrlicht/CVolumeLightSceneNode.cpp
View file @ 225d51e2
......@@ -45,7 +45,7 @@ void CVolumeLightSceneNode::constructLight()
{
if (Mesh)
Mesh->drop();
Mesh = SceneManager->getGeometryCreator()->createVolumeLightMesh(SubdivideU, SubdivideV, FootColor, TailColor);
Mesh = SceneManager->getGeometryCreator()->createVolumeLightMesh(SubdivideU, SubdivideV, FootColor, TailColor, LPDistance, LightDimensions);
}
......
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