leocad/common/light.cpp

566 lines
16 KiB
C++
Raw Normal View History

#include "lc_global.h"
2012-03-29 03:10:55 +02:00
#include "lc_math.h"
#include "lc_colors.h"
2011-09-07 23:06:51 +02:00
#include <string.h>
#include <stdio.h>
#include <math.h>
#include "light.h"
2014-04-14 05:20:16 +02:00
#include "lc_application.h"
#include "lc_context.h"
2011-09-07 23:06:51 +02:00
2014-11-24 01:43:13 +01:00
#define LC_LIGHT_POSITION_EDGE 7.5f
#define LC_LIGHT_TARGET_EDGE 5.0f
#define LC_LIGHT_SPHERE_RADIUS 5.0f
2012-09-10 01:42:57 +02:00
// New omni light.
2014-05-01 20:42:11 +02:00
lcLight::lcLight(float px, float py, float pz)
2020-04-19 04:45:21 +02:00
: lcObject(lcObjectType::Light)
2011-09-07 23:06:51 +02:00
{
2014-08-31 02:53:12 +02:00
Initialize(lcVector3(px, py, pz), lcVector3(0.0f, 0.0f, 0.0f));
2014-01-30 04:13:34 +01:00
UpdatePosition(1);
2011-09-07 23:06:51 +02:00
}
2012-09-10 01:42:57 +02:00
// New directional or spot light.
2014-05-01 20:42:11 +02:00
lcLight::lcLight(float px, float py, float pz, float tx, float ty, float tz)
2020-04-19 04:45:21 +02:00
: lcObject(lcObjectType::Light)
2011-09-07 23:06:51 +02:00
{
2014-08-31 02:53:12 +02:00
Initialize(lcVector3(px, py, pz), lcVector3(tx, ty, tz));
2014-11-24 01:43:13 +01:00
mState |= LC_LIGHT_SPOT;
2014-01-30 04:13:34 +01:00
UpdatePosition(1);
2011-09-07 23:06:51 +02:00
}
2014-08-31 02:53:12 +02:00
void lcLight::Initialize(const lcVector3& Position, const lcVector3& TargetPosition)
2011-09-07 23:06:51 +02:00
{
mState = 0;
2012-08-17 01:50:40 +02:00
2014-08-31 02:53:12 +02:00
ChangeKey(mPositionKeys, Position, 1, true);
ChangeKey(mTargetPositionKeys, TargetPosition, 1, true);
ChangeKey(mAmbientColorKeys, lcVector4(0.0f, 0.0f, 0.0f, 1.0f), 1, true);
ChangeKey(mDiffuseColorKeys, lcVector4(0.8f, 0.8f, 0.8f, 1.0f), 1, true);
ChangeKey(mSpecularColorKeys, lcVector4(1.0f, 1.0f, 1.0f, 1.0f), 1, true);
ChangeKey(mAttenuationKeys, lcVector3(1.0f, 0.0f, 0.0f), 1, true);
ChangeKey(mSpotCutoffKeys, 30.0f, 1, true);
ChangeKey(mSpotExponentKeys, 0.0f, 1, true);
2011-09-07 23:06:51 +02:00
}
2014-05-01 20:42:11 +02:00
lcLight::~lcLight()
2011-09-07 23:06:51 +02:00
{
}
2014-09-05 02:24:28 +02:00
void lcLight::SaveLDraw(QTextStream& Stream) const
{
2016-02-17 00:11:52 +01:00
Q_UNUSED(Stream);
}
2014-08-07 17:22:33 +02:00
void lcLight::CreateName(const lcArray<lcLight*>& Lights)
2011-09-07 23:06:51 +02:00
{
2020-12-14 01:27:21 +01:00
if (!mName.isEmpty())
2014-12-16 00:55:17 +01:00
{
bool Found = false;
2019-03-29 01:59:58 +01:00
for (lcLight* Light : Lights)
2014-12-16 00:55:17 +01:00
{
2020-12-14 01:27:21 +01:00
if (Light->GetName() == mName)
2014-12-16 00:55:17 +01:00
{
Found = true;
break;
}
}
if (!Found)
return;
}
2020-12-14 01:27:21 +01:00
int MaxLightNumber = 0;
const QLatin1String Prefix("Light ");
2011-09-07 23:06:51 +02:00
2019-03-29 01:59:58 +01:00
for (lcLight* Light : Lights)
2011-09-07 23:06:51 +02:00
{
2020-12-14 01:27:21 +01:00
QString LightName = Light->GetName();
if (LightName.startsWith(Prefix))
2011-09-07 23:06:51 +02:00
{
2020-12-14 01:27:21 +01:00
bool Ok = false;
2020-12-14 02:05:27 +01:00
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
2020-12-14 01:27:21 +01:00
int LightNumber = LightName.midRef(Prefix.size()).toInt(&Ok);
2020-12-14 02:05:27 +01:00
#else
2020-12-14 02:14:33 +01:00
int LightNumber = LightName.mid((int)strlen(Prefix.latin1())).toInt(&Ok);
2020-12-14 02:05:27 +01:00
#endif
2020-12-14 01:27:21 +01:00
if (Ok && LightNumber > MaxLightNumber)
MaxLightNumber = LightNumber;
2011-09-07 23:06:51 +02:00
}
}
2020-12-14 01:27:21 +01:00
mName = Prefix + QString::number(MaxLightNumber + 1);
2011-09-07 23:06:51 +02:00
}
2016-02-19 18:53:54 +01:00
void lcLight::CompareBoundingBox(lcVector3& Min, lcVector3& Max)
2014-11-10 01:06:11 +01:00
{
const lcVector3 Points[2] =
{
mPosition, mTargetPosition
};
for (int i = 0; i < (IsPointLight() ? 1 : 2); i++)
{
const lcVector3& Point = Points[i];
2016-02-19 18:53:54 +01:00
// TODO: this should check the entire mesh
Min = lcMin(Point, Min);
Max = lcMax(Point, Max);
2014-11-10 01:06:11 +01:00
}
}
2014-05-01 20:42:11 +02:00
void lcLight::RayTest(lcObjectRayTest& ObjectRayTest) const
2011-09-07 23:06:51 +02:00
{
if (IsPointLight())
2012-09-10 01:42:57 +02:00
{
float Distance;
2012-09-10 01:42:57 +02:00
2014-11-24 01:43:13 +01:00
if (lcSphereRayMinIntersectDistance(mPosition, LC_LIGHT_SPHERE_RADIUS, ObjectRayTest.Start, ObjectRayTest.End, &Distance))
{
2014-08-07 17:22:33 +02:00
ObjectRayTest.ObjectSection.Object = const_cast<lcLight*>(this);
ObjectRayTest.ObjectSection.Section = LC_LIGHT_SECTION_POSITION;
ObjectRayTest.Distance = Distance;
2012-09-10 01:42:57 +02:00
}
return;
2012-09-10 01:42:57 +02:00
}
2014-11-24 01:43:13 +01:00
lcVector3 Min = lcVector3(-LC_LIGHT_POSITION_EDGE, -LC_LIGHT_POSITION_EDGE, -LC_LIGHT_POSITION_EDGE);
lcVector3 Max = lcVector3(LC_LIGHT_POSITION_EDGE, LC_LIGHT_POSITION_EDGE, LC_LIGHT_POSITION_EDGE);
lcVector3 Start = lcMul31(ObjectRayTest.Start, mWorldLight);
lcVector3 End = lcMul31(ObjectRayTest.End, mWorldLight);
float Distance;
if (lcBoundingBoxRayIntersectDistance(Min, Max, Start, End, &Distance, nullptr) && (Distance < ObjectRayTest.Distance))
2012-09-10 01:42:57 +02:00
{
2014-08-07 17:22:33 +02:00
ObjectRayTest.ObjectSection.Object = const_cast<lcLight*>(this);
ObjectRayTest.ObjectSection.Section = LC_LIGHT_SECTION_POSITION;
ObjectRayTest.Distance = Distance;
}
2014-11-24 01:43:13 +01:00
Min = lcVector3(-LC_LIGHT_TARGET_EDGE, -LC_LIGHT_TARGET_EDGE, -LC_LIGHT_TARGET_EDGE);
Max = lcVector3(LC_LIGHT_TARGET_EDGE, LC_LIGHT_TARGET_EDGE, LC_LIGHT_TARGET_EDGE);
lcMatrix44 WorldTarget = mWorldLight;
WorldTarget.SetTranslation(lcMul30(-mTargetPosition, WorldTarget));
Start = lcMul31(ObjectRayTest.Start, WorldTarget);
End = lcMul31(ObjectRayTest.End, WorldTarget);
if (lcBoundingBoxRayIntersectDistance(Min, Max, Start, End, &Distance, nullptr) && (Distance < ObjectRayTest.Distance))
{
2014-08-07 17:22:33 +02:00
ObjectRayTest.ObjectSection.Object = const_cast<lcLight*>(this);
ObjectRayTest.ObjectSection.Section = LC_LIGHT_SECTION_TARGET;
ObjectRayTest.Distance = Distance;
}
2011-09-07 23:06:51 +02:00
}
2014-05-01 20:42:11 +02:00
void lcLight::BoxTest(lcObjectBoxTest& ObjectBoxTest) const
2011-09-07 23:06:51 +02:00
{
if (IsPointLight())
2012-09-10 01:42:57 +02:00
{
for (int PlaneIdx = 0; PlaneIdx < 6; PlaneIdx++)
2014-11-24 01:43:13 +01:00
if (lcDot3(mPosition, ObjectBoxTest.Planes[PlaneIdx]) + ObjectBoxTest.Planes[PlaneIdx][3] > LC_LIGHT_SPHERE_RADIUS)
return;
2012-09-10 01:42:57 +02:00
2014-11-29 03:55:58 +01:00
ObjectBoxTest.Objects.Add(const_cast<lcLight*>(this));
return;
2012-09-10 01:42:57 +02:00
}
2014-11-24 01:43:13 +01:00
lcVector3 Min(-LC_LIGHT_POSITION_EDGE, -LC_LIGHT_POSITION_EDGE, -LC_LIGHT_POSITION_EDGE);
lcVector3 Max(LC_LIGHT_POSITION_EDGE, LC_LIGHT_POSITION_EDGE, LC_LIGHT_POSITION_EDGE);
lcVector4 LocalPlanes[6];
for (int PlaneIdx = 0; PlaneIdx < 6; PlaneIdx++)
2012-09-10 01:42:57 +02:00
{
lcVector3 Normal = lcMul30(ObjectBoxTest.Planes[PlaneIdx], mWorldLight);
LocalPlanes[PlaneIdx] = lcVector4(Normal, ObjectBoxTest.Planes[PlaneIdx][3] - lcDot3(mWorldLight[3], Normal));
}
2011-09-07 23:06:51 +02:00
if (lcBoundingBoxIntersectsVolume(Min, Max, LocalPlanes))
2012-08-17 01:50:40 +02:00
{
2014-11-29 03:55:58 +01:00
ObjectBoxTest.Objects.Add(const_cast<lcLight*>(this));
return;
}
2011-09-07 23:06:51 +02:00
2014-11-24 01:43:13 +01:00
Min = lcVector3(-LC_LIGHT_TARGET_EDGE, -LC_LIGHT_TARGET_EDGE, -LC_LIGHT_TARGET_EDGE);
Max = lcVector3(LC_LIGHT_TARGET_EDGE, LC_LIGHT_TARGET_EDGE, LC_LIGHT_TARGET_EDGE);
2011-09-07 23:06:51 +02:00
lcMatrix44 WorldTarget = mWorldLight;
WorldTarget.SetTranslation(lcMul30(-mTargetPosition, WorldTarget));
2011-09-07 23:06:51 +02:00
for (int PlaneIdx = 0; PlaneIdx < 6; PlaneIdx++)
{
lcVector3 Normal = lcMul30(ObjectBoxTest.Planes[PlaneIdx], WorldTarget);
LocalPlanes[PlaneIdx] = lcVector4(Normal, ObjectBoxTest.Planes[PlaneIdx][3] - lcDot3(WorldTarget[3], Normal));
2012-08-17 01:50:40 +02:00
}
if (lcBoundingBoxIntersectsVolume(Min, Max, LocalPlanes))
2012-08-17 01:50:40 +02:00
{
2014-11-29 03:55:58 +01:00
ObjectBoxTest.Objects.Add(const_cast<lcLight*>(this));
return;
2012-08-17 01:50:40 +02:00
}
2011-09-07 23:06:51 +02:00
}
void lcLight::MoveSelected(lcStep Step, bool AddKey, const lcVector3& Distance)
2011-09-07 23:06:51 +02:00
{
if (IsSelected(LC_LIGHT_SECTION_POSITION))
2012-06-07 02:08:59 +02:00
{
2014-06-22 19:39:15 +02:00
mPosition += Distance;
2014-08-31 02:53:12 +02:00
ChangeKey(mPositionKeys, mPosition, Step, AddKey);
2012-06-07 02:08:59 +02:00
}
2011-09-07 23:06:51 +02:00
if (IsSelected(LC_LIGHT_SECTION_TARGET))
2012-06-07 02:08:59 +02:00
{
2014-06-22 19:39:15 +02:00
mTargetPosition += Distance;
2014-08-31 02:53:12 +02:00
ChangeKey(mTargetPositionKeys, mTargetPosition, Step, AddKey);
2012-06-07 02:08:59 +02:00
}
2011-09-07 23:06:51 +02:00
}
2014-08-31 02:53:12 +02:00
void lcLight::InsertTime(lcStep Start, lcStep Time)
{
lcObject::InsertTime(mPositionKeys, Start, Time);
lcObject::InsertTime(mTargetPositionKeys, Start, Time);
lcObject::InsertTime(mAmbientColorKeys, Start, Time);
lcObject::InsertTime(mDiffuseColorKeys, Start, Time);
lcObject::InsertTime(mSpecularColorKeys, Start, Time);
lcObject::InsertTime(mAttenuationKeys, Start, Time);
lcObject::InsertTime(mSpotCutoffKeys, Start, Time);
lcObject::InsertTime(mSpotExponentKeys, Start, Time);
}
void lcLight::RemoveTime(lcStep Start, lcStep Time)
{
lcObject::RemoveTime(mPositionKeys, Start, Time);
lcObject::RemoveTime(mTargetPositionKeys, Start, Time);
lcObject::RemoveTime(mAmbientColorKeys, Start, Time);
lcObject::RemoveTime(mDiffuseColorKeys, Start, Time);
lcObject::RemoveTime(mSpecularColorKeys, Start, Time);
lcObject::RemoveTime(mAttenuationKeys, Start, Time);
lcObject::RemoveTime(mSpotCutoffKeys, Start, Time);
lcObject::RemoveTime(mSpotExponentKeys, Start, Time);
}
2014-07-06 08:04:09 +02:00
void lcLight::UpdatePosition(lcStep Step)
2011-09-07 23:06:51 +02:00
{
2014-08-31 02:53:12 +02:00
mPosition = CalculateKey(mPositionKeys, Step);
mTargetPosition = CalculateKey(mTargetPositionKeys, Step);
mAmbientColor = CalculateKey(mAmbientColorKeys, Step);
mDiffuseColor = CalculateKey(mDiffuseColorKeys, Step);
mSpecularColor = CalculateKey(mSpecularColorKeys, Step);
mAttenuation = CalculateKey(mAttenuationKeys, Step);
mSpotCutoff = CalculateKey(mSpotCutoffKeys, Step);
mSpotExponent = CalculateKey(mSpotExponentKeys, Step);
2011-09-07 23:06:51 +02:00
if (IsPointLight())
2012-03-29 03:10:55 +02:00
{
mWorldLight = lcMatrix44Identity();
mWorldLight.SetTranslation(-mPosition);
}
else
{
lcVector3 FrontVector(mTargetPosition - mPosition);
lcVector3 UpVector(1, 1, 1);
2011-09-07 23:06:51 +02:00
if (fabs(FrontVector[0]) < fabs(FrontVector[1]))
2012-08-17 01:50:40 +02:00
{
if (fabs(FrontVector[0]) < fabs(FrontVector[2]))
UpVector[0] = -(UpVector[1] * FrontVector[1] + UpVector[2] * FrontVector[2]);
2012-08-17 01:50:40 +02:00
else
UpVector[2] = -(UpVector[0] * FrontVector[0] + UpVector[1] * FrontVector[1]);
2012-08-17 01:50:40 +02:00
}
else
{
if (fabs(FrontVector[1]) < fabs(FrontVector[2]))
UpVector[1] = -(UpVector[0] * FrontVector[0] + UpVector[2] * FrontVector[2]);
2012-08-17 01:50:40 +02:00
else
UpVector[2] = -(UpVector[0] * FrontVector[0] + UpVector[1] * FrontVector[1]);
2012-08-17 01:50:40 +02:00
}
mWorldLight = lcMatrix44LookAt(mPosition, mTargetPosition, UpVector);
2012-08-17 01:50:40 +02:00
}
2011-09-07 23:06:51 +02:00
}
void lcLight::DrawInterface(lcContext* Context, const lcScene& Scene) const
2011-09-07 23:06:51 +02:00
{
Q_UNUSED(Scene);
2020-03-22 21:44:20 +01:00
Context->SetMaterial(lcMaterialType::UnlitColor);
if (IsPointLight())
2015-05-17 01:04:35 +02:00
DrawPointLight(Context);
2015-04-19 03:10:01 +02:00
else
2015-05-17 01:04:35 +02:00
DrawSpotLight(Context);
2015-04-19 03:10:01 +02:00
}
2015-05-17 01:04:35 +02:00
void lcLight::DrawSpotLight(lcContext* Context) const
2015-04-19 03:10:01 +02:00
{
lcVector3 FrontVector(mTargetPosition - mPosition);
lcVector3 UpVector(1, 1, 1);
if (fabs(FrontVector[0]) < fabs(FrontVector[1]))
{
if (fabs(FrontVector[0]) < fabs(FrontVector[2]))
UpVector[0] = -(UpVector[1] * FrontVector[1] + UpVector[2] * FrontVector[2]);
else
2015-04-19 03:10:01 +02:00
UpVector[2] = -(UpVector[0] * FrontVector[0] + UpVector[1] * FrontVector[1]);
}
else
{
if (fabs(FrontVector[1]) < fabs(FrontVector[2]))
UpVector[1] = -(UpVector[0] * FrontVector[0] + UpVector[2] * FrontVector[2]);
else
UpVector[2] = -(UpVector[0] * FrontVector[0] + UpVector[1] * FrontVector[1]);
}
lcMatrix44 LightMatrix = lcMatrix44LookAt(mPosition, mTargetPosition, UpVector);
LightMatrix = lcMatrix44AffineInverse(LightMatrix);
LightMatrix.SetTranslation(lcVector3(0, 0, 0));
2015-05-17 01:04:35 +02:00
lcMatrix44 LightViewMatrix = lcMul(LightMatrix, lcMatrix44Translation(mPosition));
Context->SetWorldMatrix(LightViewMatrix);
2015-04-19 03:10:01 +02:00
float Verts[(20 + 8 + 2 + 16) * 3];
float* CurVert = Verts;
for (int EdgeIdx = 0; EdgeIdx < 8; EdgeIdx++)
{
float c = cosf((float)EdgeIdx / 4 * LC_PI) * LC_LIGHT_POSITION_EDGE;
float s = sinf((float)EdgeIdx / 4 * LC_PI) * LC_LIGHT_POSITION_EDGE;
*CurVert++ = c;
*CurVert++ = s;
*CurVert++ = LC_LIGHT_POSITION_EDGE;
*CurVert++ = c;
*CurVert++ = s;
*CurVert++ = -LC_LIGHT_POSITION_EDGE;
}
*CurVert++ = -12.5f; *CurVert++ = -12.5f; *CurVert++ = -LC_LIGHT_POSITION_EDGE;
*CurVert++ = 12.5f; *CurVert++ = -12.5f; *CurVert++ = -LC_LIGHT_POSITION_EDGE;
*CurVert++ = 12.5f; *CurVert++ = 12.5f; *CurVert++ = -LC_LIGHT_POSITION_EDGE;
*CurVert++ = -12.5f; *CurVert++ = 12.5f; *CurVert++ = -LC_LIGHT_POSITION_EDGE;
float Length = FrontVector.Length();
*CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE; *CurVert++ = -LC_LIGHT_TARGET_EDGE - Length;
*CurVert++ = 0.0f; *CurVert++ = 0.0f; *CurVert++ = 0.0f;
*CurVert++ = 0.0f; *CurVert++ = 0.0f; *CurVert++ = -Length;
const GLushort Indices[56 + 24 + 2 + 40] =
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14, 0,
1, 3, 3, 5, 5, 7, 7, 9, 9, 11, 11, 13, 13, 15, 15, 1,
16, 17, 17, 18, 18, 19, 19, 16,
20, 21, 21, 22, 22, 23, 23, 20,
24, 25, 25, 26, 26, 27, 27, 24,
20, 24, 21, 25, 22, 26, 23, 27,
28, 29,
30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38,
38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 30,
28, 30, 28, 34, 28, 38, 28, 42
};
Context->SetVertexBufferPointer(Verts);
2017-03-24 17:34:53 +01:00
Context->SetVertexFormatPosition(3);
2015-05-17 01:04:35 +02:00
Context->SetIndexBufferPointer(Indices);
2015-04-19 03:10:01 +02:00
float LineWidth = lcGetPreferences().mLineWidth;
if (!IsSelected())
{
Context->SetLineWidth(LineWidth);
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_LIGHT);
2015-04-19 03:10:01 +02:00
2015-05-17 01:04:35 +02:00
Context->DrawIndexedPrimitives(GL_LINES, 56 + 24 + 2, GL_UNSIGNED_SHORT, 0);
}
else
2012-06-07 02:08:59 +02:00
{
if (IsSelected(LC_LIGHT_SECTION_POSITION))
2012-06-07 02:08:59 +02:00
{
2014-04-14 05:20:16 +02:00
Context->SetLineWidth(2.0f * LineWidth);
if (IsFocused(LC_LIGHT_SECTION_POSITION))
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_FOCUSED);
2012-06-07 02:08:59 +02:00
else
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_SELECTED);
2012-06-07 02:08:59 +02:00
}
else
{
2014-04-14 05:20:16 +02:00
Context->SetLineWidth(LineWidth);
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_LIGHT);
2012-06-07 02:08:59 +02:00
}
2011-09-07 23:06:51 +02:00
2015-05-17 01:04:35 +02:00
Context->DrawIndexedPrimitives(GL_LINES, 56, GL_UNSIGNED_SHORT, 0);
2014-04-14 05:20:16 +02:00
if (IsSelected(LC_LIGHT_SECTION_TARGET))
2012-06-07 02:08:59 +02:00
{
2014-04-14 05:20:16 +02:00
Context->SetLineWidth(2.0f * LineWidth);
if (IsFocused(LC_LIGHT_SECTION_TARGET))
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_FOCUSED);
2012-06-07 02:08:59 +02:00
else
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_SELECTED);
2012-06-07 02:08:59 +02:00
}
else
{
2014-04-14 05:20:16 +02:00
Context->SetLineWidth(LineWidth);
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_LIGHT);
2012-06-07 02:08:59 +02:00
}
2011-09-07 23:06:51 +02:00
2015-05-17 01:04:35 +02:00
Context->DrawIndexedPrimitives(GL_LINES, 24, GL_UNSIGNED_SHORT, 56 * 2);
2012-09-10 01:42:57 +02:00
2014-04-14 05:20:16 +02:00
Context->SetLineWidth(LineWidth);
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_LIGHT);
2012-09-10 01:42:57 +02:00
2015-04-19 03:10:01 +02:00
float Radius = tanf(LC_DTOR * mSpotCutoff) * Length;
2012-09-10 01:42:57 +02:00
2015-04-19 03:10:01 +02:00
for (int EdgeIdx = 0; EdgeIdx < 16; EdgeIdx++)
2012-06-07 02:08:59 +02:00
{
2015-04-19 03:10:01 +02:00
*CurVert++ = cosf((float)EdgeIdx / 16 * LC_2PI) * Radius;
*CurVert++ = sinf((float)EdgeIdx / 16 * LC_2PI) * Radius;
*CurVert++ = -Length;
2012-06-07 02:08:59 +02:00
}
2012-09-10 01:42:57 +02:00
2015-05-17 01:04:35 +02:00
Context->DrawIndexedPrimitives(GL_LINES, 2 + 40, GL_UNSIGNED_SHORT, (56 + 24) * 2);
2012-09-10 01:42:57 +02:00
}
}
2015-05-17 01:04:35 +02:00
void lcLight::DrawPointLight(lcContext* Context) const
2012-09-10 01:42:57 +02:00
{
const int Slices = 6;
const int NumIndices = 3 * Slices + 6 * Slices * (Slices - 2) + 3 * Slices;
const int NumVertices = (Slices - 1) * Slices + 2;
2014-11-24 01:43:13 +01:00
const float Radius = LC_LIGHT_SPHERE_RADIUS;
2012-09-10 01:42:57 +02:00
lcVector3 Vertices[NumVertices];
2017-12-02 21:22:04 +01:00
quint16 Indices[NumIndices];
2012-09-10 01:42:57 +02:00
lcVector3* Vertex = Vertices;
2017-12-02 21:22:04 +01:00
quint16* Index = Indices;
2012-09-10 01:42:57 +02:00
*Vertex++ = lcVector3(0, 0, Radius);
for (int i = 1; i < Slices; i++ )
{
float r0 = Radius * sinf(i * (LC_PI / Slices));
float z0 = Radius * cosf(i * (LC_PI / Slices));
for (int j = 0; j < Slices; j++)
{
float x0 = r0 * sinf(j * (LC_2PI / Slices));
float y0 = r0 * cosf(j * (LC_2PI / Slices));
*Vertex++ = lcVector3(x0, y0, z0);
2012-06-07 02:08:59 +02:00
}
2012-09-10 01:42:57 +02:00
}
*Vertex++ = lcVector3(0, 0, -Radius);
2011-09-07 23:06:51 +02:00
2012-09-10 01:42:57 +02:00
for (int i = 0; i < Slices - 1; i++ )
{
*Index++ = 0;
*Index++ = 1 + i;
*Index++ = 1 + i + 1;
2012-06-07 02:08:59 +02:00
}
2012-09-10 01:42:57 +02:00
*Index++ = 0;
*Index++ = 1;
*Index++ = 1 + Slices - 1;
for (int i = 0; i < Slices - 2; i++ )
{
int Row1 = 1 + i * Slices;
int Row2 = 1 + (i + 1) * Slices;
for (int j = 0; j < Slices - 1; j++ )
{
*Index++ = Row1 + j;
*Index++ = Row2 + j + 1;
*Index++ = Row2 + j;
*Index++ = Row1 + j;
*Index++ = Row1 + j + 1;
*Index++ = Row2 + j + 1;
}
*Index++ = Row1 + Slices - 1;
*Index++ = Row2 + 0;
*Index++ = Row2 + Slices - 1;
*Index++ = Row1 + Slices - 1;
*Index++ = Row2 + 0;
*Index++ = Row1 + 0;
}
for (int i = 0; i < Slices - 1; i++ )
{
*Index++ = (Slices - 1) * Slices + 1;
*Index++ = (Slices - 1) * (Slices - 1) + i;
*Index++ = (Slices - 1) * (Slices - 1) + i + 1;
}
*Index++ = (Slices - 1) * Slices + 1;
*Index++ = (Slices - 1) * (Slices - 1) + (Slices - 2) + 1;
*Index++ = (Slices - 1) * (Slices - 1);
2015-05-17 01:04:35 +02:00
Context->SetWorldMatrix(lcMatrix44Translation(mPosition));
2015-04-19 03:10:01 +02:00
if (IsFocused(LC_LIGHT_SECTION_POSITION))
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_FOCUSED);
2015-04-19 03:10:01 +02:00
else if (IsSelected(LC_LIGHT_SECTION_POSITION))
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_SELECTED);
2015-04-19 03:10:01 +02:00
else
2015-05-04 02:51:41 +02:00
Context->SetInterfaceColor(LC_COLOR_LIGHT);
2015-04-19 03:10:01 +02:00
Context->SetVertexBufferPointer(Vertices);
2017-03-24 17:34:53 +01:00
Context->SetVertexFormatPosition(3);
2015-05-17 01:04:35 +02:00
Context->SetIndexBufferPointer(Indices);
Context->DrawIndexedPrimitives(GL_TRIANGLES, NumIndices, GL_UNSIGNED_SHORT, 0);
2011-09-07 23:06:51 +02:00
}
void lcLight::RemoveKeyFrames()
{
mPositionKeys.RemoveAll();
ChangeKey(mPositionKeys, mPosition, 1, true);
mTargetPositionKeys.RemoveAll();
ChangeKey(mTargetPositionKeys, mTargetPosition, 1, true);
mAmbientColorKeys.RemoveAll();
ChangeKey(mAmbientColorKeys, mAmbientColor, 1, true);
mDiffuseColorKeys.RemoveAll();
ChangeKey(mDiffuseColorKeys, mDiffuseColor, 1, true);
mSpecularColorKeys.RemoveAll();
ChangeKey(mSpecularColorKeys, mSpecularColor, 1, true);
mAttenuationKeys.RemoveAll();
ChangeKey(mAttenuationKeys, mAttenuation, 1, true);
mSpotCutoffKeys.RemoveAll();
ChangeKey(mSpotCutoffKeys, mSpotCutoff, 1, true);
mSpotExponentKeys.RemoveAll();
ChangeKey(mSpotExponentKeys, mSpotExponent, 1, true);
}
2014-05-01 20:42:11 +02:00
bool lcLight::Setup(int LightIndex)
2011-09-07 23:06:51 +02:00
{
2017-04-27 07:24:54 +02:00
Q_UNUSED(LightIndex);
return true;
2011-09-07 23:06:51 +02:00
}