本文整理汇总了C++中Vector4类的典型用法代码示例。如果您正苦于以下问题：C++ Vector4类的具体用法？C++ Vector4怎么用？C++ Vector4使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Vector4类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: GetRotate
Matrix4 Matrix4::GetRotate(const Vector4& from, const Vector4& to) {
Vector4 axis = from.Cross(to);
axis.Normalize();
float degrees = from.GetAngleBetween(to);
return GetRotate(degrees, axis);
}
开发者ID:forstezt，项目名称:CS455，代码行数:6，代码来源:Matrix4.cpp
示例2: findNormalToTriangle
Vector4* findNormalToTriangle(double xS, double yS, double zS, Triangle& triangle){
double x0 = triangle.v[0].position[0];
double y0 = triangle.v[0].position[1];
double z0 = triangle.v[0].position[2];
double x1 = triangle.v[1].position[0];
double y1 = triangle.v[1].position[1];
double z1 = triangle.v[1].position[2];
double x2 = triangle.v[2].position[0];
double y2 = triangle.v[2].position[1];
double z2 = triangle.v[2].position[2];
//Calculate the vertices of the triangle.
auto_ptr<Vector4> P0(new Vector4());
P0->SetVector4(x0,y0,z0,1.0f);
auto_ptr<Vector4> P1(new Vector4());
P1->SetVector4((float)x1,(float)y1,(float)z1,1.0f);
auto_ptr<Vector4> P2(new Vector4());
P2->SetVector4((float)x2,(float)y2,(float)z2,1.0f);
auto_ptr<Vector4> P(new Vector4());
P->SetVector4((float)xS,(float)yS,(float)zS,1.0f);
//Vector from one vertex to other vertex.
auto_ptr<Vector4> Edge01(P0->Subtract(*P1, *P0));
auto_ptr<Vector4> Edge12(P1->Subtract(*P2, *P1));
auto_ptr<Vector4> Edge20(P2->Subtract(*P0, *P2));
//Area of the complete triangle.
double area_P0P1P2 = (0.5*Edge01->CrossProduct(*Edge01, *Edge20)->GetMagnitude());
assert(area_P0P1P2 > 0);
//Area of PP0P2
auto_ptr<Vector4> EdgePP2(new Vector4());
EdgePP2->SetVector4(xS-x2, yS-y2, zS-z2,1);
double area_PP0P2 = (0.5*Edge20->CrossProduct(*Edge20, *EdgePP2)->GetMagnitude());
assert(area_PP0P2 >= 0.0);
//Area of PP1P2
double area_PP1P2 = (0.5 * EdgePP2->CrossProduct(*EdgePP2, *Edge12)->GetMagnitude());
assert(area_PP1P2 >= 0);
//Area of PP0P1
auto_ptr<Vector4> EdgePP0(new Vector4());
EdgePP0->SetVector4(xS-x0, yS-y0, zS-z0,1);
double area_PP0P1 = (0.5*Edge01->CrossProduct(*Edge01, *EdgePP0)->GetMagnitude());
assert(area_PP0P1 >= 0);//I am here
double alpha = area_PP1P2/area_P0P1P2;
double beta = area_PP0P2/area_P0P1P2;
double gamma = area_PP0P1/area_P0P1P2;
double n0_x = triangle.v[0].normal[0];
double n0_y = triangle.v[0].normal[1];
double n0_z = triangle.v[0].normal[2];
auto_ptr<Vector4> N0(new Vector4());
N0->SetVector4(n0_x, n0_y, n0_z, 1);
double n1_x = triangle.v[1].normal[0];
double n1_y = triangle.v[1].normal[1];
double n1_z = triangle.v[1].normal[2];
auto_ptr<Vector4> N1(new Vector4());
N1->SetVector4(n1_x, n1_y, n1_z, 1);
double n2_x = triangle.v[2].normal[0];
double n2_y = triangle.v[2].normal[1];
double n2_z = triangle.v[2].normal[2];
auto_ptr<Vector4> N2(new Vector4());
N2->SetVector4(n2_x, n2_y, n2_z, 1);
N0->Elongate(alpha);
N1->Elongate(beta);
N2->Elongate(gamma);
Vector4* normalTemp = N0->Add(*N0, *N1);
Vector4* normal = N0->Add(*normalTemp, *N2);
delete normalTemp;
normal->ConvertToUnit();
return normal;
}
开发者ID:dapurv5，项目名称:csl307-assignments，代码行数:85，代码来源:geometryKernel.cpp
示例3:
Vector4 Vector4::Normalize(const Vector4& argVec)
{
return argVec / argVec.Magnitude();
};
开发者ID:embooglement，项目名称:Protium，代码行数:4，代码来源:Vector.cpp
示例4: D3DXMatrixScaling
void GraphicalPlane::Render(const Camera* camera)
{
// 描画しないならここで関数終了
if(!_renders)
return;
// 分割読み込みした場合の画像範囲選択
if(_previousNumber != _number)
{
Vertex* vertex;
_mesh->GetMesh()->LockVertexBuffer( 0, (void**)&vertex );
vertex[0]._uv.x = (float)_rects[_number].left / _textures[0]->GetImageInfo().Width;
vertex[0]._uv.y = (float)_rects[_number].bottom / _textures[0]->GetImageInfo().Height;
vertex[1]._uv.x = (float)_rects[_number].right / _textures[0]->GetImageInfo().Width;
vertex[1]._uv.y = (float)_rects[_number].bottom / _textures[0]->GetImageInfo().Height;
vertex[2]._uv.x = (float)_rects[_number].left / _textures[0]->GetImageInfo().Width;
vertex[2]._uv.y = (float)_rects[_number].top / _textures[0]->GetImageInfo().Height;
vertex[3]._uv.x = (float)_rects[_number].right / _textures[0]->GetImageInfo().Width;
vertex[3]._uv.y = (float)_rects[_number].top / _textures[0]->GetImageInfo().Height;
_mesh->GetMesh()->UnlockIndexBuffer();
_previousNumber = _number;
}
// ワールド行列設定
Matrix SclMtx, RotMtx, PosMtx, WldMtx, WVPMtx;
// 拡縮
D3DXMatrixScaling(&SclMtx, _scale.x, _scale.y, _scale.z);
// 回転
// クォータニオンか回転行列かXYZ指定か
this->Evaluate();
RotMtx = _worldRotationMatrix;
// ビルボードの場合
if(_isBillBoard)
{
Vector3 cameraPosition = camera->GetEye() ;
GetBillBoardRotation(&_position, &cameraPosition, &RotMtx);
}
// 位置
D3DXMatrixTranslation(&PosMtx, _position.x, _position.y, _position.z);
// カリングを設定
GraphicsManager::_device->SetRenderState(D3DRS_CULLMODE, _cullingState);
// デバッグ用
//GraphicsManager::_device->SetRenderState( D3DRS_FILLMODE, D3DFILL_WIREFRAME );
// シェーダを使用する場合カメラのビュー行列(0)、プロジェクション行列(1)をワールド行列に合成
WldMtx = SclMtx * RotMtx * PosMtx;
WVPMtx = WldMtx * camera->GetMatrix(ViewBehavior::VIEW) * camera->GetMatrix(ViewBehavior::PROJECTION);
// カメラの座標をシェーダに使用するための行列変換
Matrix CamMtx = WldMtx * camera->GetMatrix(ViewBehavior::VIEW);
D3DXMatrixInverse(&CamMtx, NULL, &CamMtx);
Vector4 EyePos = Vector4(
camera->GetEye().x,
camera->GetEye().y,
camera->GetEye().z,
1
);
EyePos.Transform(CamMtx);
D3DXVec4Normalize((D3DXVECTOR4*)&EyePos, (D3DXVECTOR4*)&EyePos);
// シェーダ設定
_shader->SetTechnique();
// シェーダにワールド * ビュー * プロジェクション行列を渡す
_shader->SetWVPMatrix(WVPMtx);
// シェーダー特有の値の設定
_shader->ApplyEffect(RotMtx, EyePos);
HRESULT hr;
// 3D モデルのパーツ分ループして描画
for(size_t i = 0 ; i < _mesh->GetMaterialNumber(); i++)
{
// テクスチャが存在しない場合のカラー
D3DXVECTOR4 vec4 = D3DXVECTOR4(1.0,1.0,1.0,1.0);
// 格パーツに対応するテクスチャを設定
// シェーダにテクスチャを渡す
if(NULL != _textures[i])
{
LPDIRECT3DTEXTURE9 texture = _textures[i]->GetTextureData();
// シェーダにカラーを渡す
_shader->SetColor(_colorRGBA);
_shader->SetTexture(texture);
}else
_shader->SetColor(vec4);
// シェーダの使用開始
_shader->BeginShader();
// シェーダのパス設定
_shader->BeginPass(_addsBlend);
// パーツの描画
if(SUCCEEDED(GraphicsManager::_device->BeginScene()))
{
_mesh->GetMesh()->DrawSubset(i);
V(GraphicsManager::_device->EndScene());
}
// パス終了
_shader->EndPass();
// シェーダ終了
_shader->EndShader();
}
}
开发者ID:nuponsalt，项目名称:Game001，代码行数:95，代码来源:GraphicalPlane.cpp
示例5: rasterizeTriangle
void Rasterizer::rasterizeTriangle(Vector4 a, Vector4 b, Vector4 c, float c1, float c2, float c3)
{
float alpha, beta, gamma, denom;
float x1 = a[0];
float y1 = a[1];
float x2 = b[0];
float y2 = b[1];
float x3 = c[0];
float y3 = c[1];
float top = max(max(y1, y2), y3);
if (top >= window_height)
top = window_height - 1;
float bottom = min(min(y1, y2), y3);
if (bottom < 0)
bottom = 0;
float left = min(min(x1, x2), x3);
if (left < 0)
left = 0;
float right = max(max(x1, x2), x3);
if (right >= window_width)
right = window_width - 1;
for (int row = bottom; row <= top; row++)
{
for (int col = left; col <= right; col++)
{
Vector3 v0 = Vector3(x3 - x1, y3 - y1, 0);
Vector3 v1 = Vector3(x2 - x1, y2 - y1, 0);
Vector3 v2 = Vector3(col - x1, row - y1, 0);
denom = v0.dot(v0) * v1.dot(v1) - v0.dot(v1) * v1.dot(v0);
alpha = (v1.dot(v1) * v2.dot(v0) - v1.dot(v0) * v2.dot(v1)) / denom;
beta = (v0.dot(v0) * v2.dot(v1) - v0.dot(v1) * v2.dot(v0)) / denom;
gamma = 1 - alpha - beta;
Vector3 P = a.toVector3() + (c - a).toVector3().scale(alpha) + (b - a).toVector3().scale(beta);
float z = P[2];
if (Globals::interp)
{
c1 = row / c1;
c2 = col / c2;
c3 = z / c3;
}
if (alpha > 0 && alpha < 1 && beta > 0 && beta < 1 && gamma > 0 && gamma < 1)
{
if (Globals::zbuf)
{
update_zbuffer(col, row, c1, c2, c3, z);
}
else
drawPoint(col, row, c1, c2, c3);
}
}
}
}
开发者ID:jordan829，项目名称:GlobalWarming，代码行数:65，代码来源:Rasterizer.cpp
示例6: srand
// pocitanie funkcie pre vsetky trojuholniky, O(n2)
void CSDFController::Compute(LinkedList<Face>* triangles, Octree* root)
{
float min = FLOAT_MAX;
float max = 0.0;
unsigned int n_rays = 30;
float angle = 120.0f;
unsigned int counter = 0;
//------------------prealocated variables------------------
Vector4 tangens, normal, binormal;
Mat4 t_mat;
std::vector<float> rays;
std::vector<float> weights;
// precompute those N rays
srand (123); // initial seed for random number generator
float* rndy = new float[n_rays];
float* rndx = new float[n_rays];
for(unsigned int i = 0; i < n_rays; i++)
{
rndy[i] = float(rand()%int(angle / 2));
rndx[i] = float(rand()%(360));
if(rndy[i] == 0.0)
rndy[i] = 0.5;
}
float dist = FLOAT_MAX;
float dist2 = FLOAT_MAX;
float theta = 0.0f;
bool intersected = false;
LinkedList<Face>* face_list = NULL;
LinkedList<Face>::Cell<Face>* intersected_face = NULL;
//------------------prealocated variables------------------
LinkedList<Face>::Cell<Face>* current_face = triangles->start;
while(current_face != NULL)
{
// vypocet TNB vektorov a matice
ComputeTNB(current_face->data, tangens, normal, binormal);
t_mat = Mat4(tangens, normal, binormal);
rays.clear();
weights.clear();
for(unsigned int i = 0; i < n_rays; i++)
{
Vector4 ray = CalcRayFromAngle(rndx[i], rndy[i]) * t_mat;
ray.Normalize();
dist = FLOAT_MAX;
face_list = GetFaceList(triangles, root, current_face->data->center, ray);
intersected_face = face_list->start;
while(intersected_face != NULL)
{
if(current_face == intersected_face)
{
intersected_face = intersected_face->next;
continue;
}
dist2 = FLOAT_MAX;
intersected = rayIntersectsTriangle(current_face->data->center, ray, intersected_face->data->v[0]->P, intersected_face->data->v[1]->P, intersected_face->data->v[2]->P, dist2);
if(intersected == true)
{
theta = acos( (ray * intersected_face->data->normal) / (ray.Length() * intersected_face->data->normal.Length()) );
theta = theta * float(180.0 / M_PI);
//loggger->logInfo(MarshalString("pridany ray s thetou: " + theta));
if((theta < 90.0f) && (dist2 < dist))
dist = dist2;
}
intersected_face = intersected_face->next;
}
if(dist < (FLOAT_MAX - 1.0f))
{
//loggger->logInfo(MarshalString("pridany ray s dlzkou: " + dist));
rays.push_back(dist);
weights.push_back(180.0f - rndy[i]);
}
//if(root != NULL)
//delete face_list; // generated list, bez prealokovania
}
if(rays.size() > 0)
{
current_face->data->ComputeSDFValue(rays, weights);
if(current_face->data->diameter->value < min)
min = current_face->data->diameter->value;
if(current_face->data->diameter->value > max)
max = current_face->data->diameter->value;
}
counter = counter + 1;
current_face = current_face->next;
}
fc_list->Clear();
oc_list->Clear();
delete [] rndy;
delete [] rndx;
//.........这里部分代码省略.........
开发者ID:zaeraal，项目名称:SDF_Library，代码行数:101，代码来源:SDFController.cpp
示例7: CullPolygons
bool Mesh::CullPolygons(const ViewFrustum& frustum, const Maths::Vector4& camPos)
{
int cullCount = 0;
for ( int i = 0; i < m_numPolys; ++i )
{
if ( m_polys[i].IsCulled )
{
cullCount++;
continue;
}
int count = 0;
for ( int vv = 0; vv < 3; ++vv )
{
//Vector4 point = m_transformed[ m_polys[i].Indices[vv] ].Position - camPos;
Vector4 point = m_transformed[ m_polys[i].Indices[vv] ].Position - m_verts[ m_polys[i].Indices[vv] ];
float result = point.DotProduct( frustum.Left.Normal );
if ( result > 0.0f )
{
count++;
m_transformed[ m_polys[i].Indices[vv] ].IsCulled = true;
continue;
}
result = point.DotProduct( frustum.Right.Normal );
if ( result > 0.0f )
{
count++;
m_transformed[ m_polys[i].Indices[vv] ].IsCulled = true;
continue;
}
result = point.DotProduct( frustum.Top.Normal );
if ( result > 0.0f )
{
count++;
m_transformed[ m_polys[i].Indices[vv] ].IsCulled = true;
continue;
}
result = point.DotProduct( frustum.Bottom.Normal );
if ( result > 0.0f )
{
count++;
m_transformed[ m_polys[i].Indices[vv] ].IsCulled = true;
continue;
}
//result = point.DotProduct( frustum.Near.Normal );
//if ( result > 0.0f )
//{
// count++;
// m_transformed[ m_polys[i].Indices[vv] ].IsCulled = true;
// continue;
//}
//result = point.DotProduct( frustum.Far.Normal );
//if ( result > 0.0f )
//{
// count++;
// m_transformed[ m_polys[i].Indices[vv] ].IsCulled = true;
// continue;
//}
}
if ( count == 3 )
{
cullCount++;
m_polys[i].IsCulled = true;
}
}
return ( cullCount == m_numPolys );
}
开发者ID:ookumaneko，项目名称:Software-Renderer，代码行数:74，代码来源:Mesh.cpp
示例8: uniform
void Shader::uniform(const string &nom,const Vector4 &p,int offset) {
int loc=uniform(nom);
glUniform4fv(loc+offset,1,p.fv());
}
开发者ID:DherJ，项目名称:Master1，代码行数:4，代码来源:Shader.cpp
示例9: l
void Mesh::CalculateLightingDirectional(const LightDirectional& light, int numLights, const Vector4& camera)
{
Maths::Vector4 total;
Maths::Vector4 temp;
Maths::Vector4 l( light.Position.X, light.Position.Y, light.Position.Z, 1.0f );
Maths::Vector4 n( 0, 0, 0, 0 );
BYTE r, g, b;
float diff, spec = 0;
m_noLight = false;
l.Normalize();
for ( int i = 0; i < m_numVerts; ++i )
{
if ( !m_transformed[i].IsCulled )
{
//reset the colout to black
total.X = 0; //Red
total.Y = 0; //green
total.Z = 0; //blue
for ( int j = 0; j < numLights; ++j )
{
Maths::Vector4 d;
//modulate intensity with coresponding reflectance co-efficient values
temp.X = light.Colour.GetR() * light.Intensity.X;
temp.Y = light.Colour.GetG() * light.Intensity.Y;
temp.Z = light.Colour.GetB() * light.Intensity.Z;
n = m_transformed[i].Normal;
n.Normalize();
//attentuate the rgb values with lambertian attenuation
diff = max(0.0, l.DotProduct( n ));
Vector4 toEye = m_transformed[i].Position - camera;
Vector4 reflect = ( n - l ) * ( 2 * ( n.DotProduct( l ) ) );
toEye.Normalize();
reflect.Normalize();
float specPower = 1.0f;
spec = pow( max( reflect.DotProduct( toEye ), 0.0f ), specPower ) * 0.01f;
if ( diff <= 0.0f )
spec = 0.0f;
temp.X = temp.X * ( (diff + spec) * m_kd_red );
temp.Y = temp.Y * ( (diff + spec) * m_kd_green );
temp.Z = temp.Z * ( (diff + spec) * m_kd_blue );
//temp.X = temp.X * ( diff * m_kd_red + spec ) );
//temp.Y = temp.Y * ( diff * m_kd_green + spec ) );
//temp.Z = temp.Z * ( diff * m_kd_blue + spec ) );
total = total + temp;
}
if ( total.X > 255.0f ) total.X = 255.0f;
if ( total.Y > 255.0f ) total.Y = 255.0f;
if ( total.Z > 255.0f ) total.Z = 255.0f;
if ( total.X < 0.0f ) total.X = 0.0f;
if ( total.Y < 0.0f ) total.Y = 0.0f;
if ( total.Z < 0.0f ) total.Z = 0.0f;
r = (BYTE)total.X;
g = (BYTE)total.Y;
b = (BYTE)total.Z;
m_transformed[i].Colour = Gdiplus::Color::MakeARGB( 255, r, g, b );
}
}
}
开发者ID:ookumaneko，项目名称:Software-Renderer，代码行数:71，代码来源:Mesh.cpp
示例10: cof
void Mesh::CalculateLightingPoint( const std::vector<LightPoint>& light, int numLight, const Maths::Vector4& camera)
{
Maths::Vector4 l;
Maths::Vector4 temp, result, n, p;
Maths::Vector4 cof( 1.0f, 1.0f, 10.0f );
BYTE r, g, b;
float distance = 0;
float att = 0;
float a = 0.05f;
float bb = 0.05f;
float c = 0.05f;
float dif, spec;
m_noLight = false;
for ( int i = 0; i < m_numVerts; ++i )
{
if ( !m_transformed[i].IsCulled )
{
result.X = 0; //Red
result.Y = 0; //green
result.Z = 0; //blue
for ( int j = 0; j < numLight; ++j )
{
p = light[j].Position;
l = p - m_transformed[i].Position;
distance = l.Length();
//calculate the attenuation value
att = 1 / (a + ( distance * bb ) + ( distance * distance ) * c );
if ( att < 0 )
att = 0;
temp.X = light[j].Colour.GetR();
temp.Y = light[j].Colour.GetG();
temp.Z = light[j].Colour.GetB();
n = m_transformed[i].Normal;
n.Normalize();
dif = max( 0.0, l.DotProduct( n ) ) * att;
// calculate the speculation
//Vector4 toEye = m_transformed[i].Position - camera;
//Vector4 half = camera + p / 2;
//toEye.Normalize();
//half.Normalize();
//float specPower = 1.0f;
//float spec = pow( max( n.DotProduct( half ), 0.0f ), specPower ) * att;
Vector4 toEye = m_transformed[i].Position - camera;
Vector4 reflect = ( n - l ) * ( 2 * ( n.DotProduct( l ) ) );
toEye.Normalize();
reflect.Normalize();
float specPower = 1.0f;
float spec = pow( max( reflect.DotProduct( toEye ), 0.0f ), specPower ) * att;
temp.X = temp.X * ( (dif + spec) * m_kd_red );
temp.Y = temp.Y * ( (dif + spec) * m_kd_green );
temp.Z = temp.Z * ( (dif + spec) * m_kd_blue );
//temp.X = temp.X * ( dif * m_kd_red ) );
//temp.Y = temp.Y * ( dif * m_kd_green ) );
//temp.Z = temp.Z * ( dif * m_kd_blue ) );
result += temp;
}
//set colour
if ( result.X > 255.0f ) result.X = 255.0f;
if ( result.Y > 255.0f ) result.Y = 255.0f;
if ( result.Z > 255.0f ) result.Z = 255.0f;
if ( result.X < 0.0f ) result.X = 0.0f;
if ( result.Y < 0.0f ) result.Y = 0.0f;
if ( result.Z < 0.0f ) result.Z = 0.0f;
r = (BYTE)result.X;
g = (BYTE)result.Y;
b = (BYTE)result.Z;
m_transformed[i].Colour = Gdiplus::Color::MakeARGB( 255, r, g, b );
}
}
}
开发者ID:ookumaneko，项目名称:Software-Renderer，代码行数:82，代码来源:Mesh.cpp
示例11: max
void Mesh::CalculateFlatLightingPoint(const std::vector<LightPoint>& light, int numLights, const Vector4& camera)
{
Maths::Vector4 l;
Maths::Vector4 temp, result, n, p;
BYTE r, g, b;
float distance = 0;
float att = 0;
float a = 0.05f;
float bb = 0.05f;
float c = 0.05f;
float dif, spec;
m_noLight = false;
for ( int i = 0; i < m_numPolys; ++i )
{
result.X = 0; //Red
result.Y = 0; //green
result.Z = 0; //blue
if ( !m_polys[i].IsCulled )
{
for ( int j = 0; j < numLights; ++j )
{
//get the position of the light and calculate the
//distance between the object and the lifght
p = light[j].Position;
l = p - m_transformed[ m_polys[i].Indices[0] ].Position;
distance = l.Length();
//calculate the attenuation value
att = 1 / (a + ( distance * bb ) + ( distance * distance ) * c );
if ( att < 0)
att = 0;
temp.X = light[j].Colour.GetR();
temp.Y = light[j].Colour.GetG();
temp.Z = light[j].Colour.GetB();
// get the normalized value of the polygon normals
//n = m_polys[i]._normalN;
//n.Normalize();
// calculate the diffuse value
dif = max( l.DotProduct( m_polys[i].NormalN ), 0.0f ) * att;
// multiply dif with materials
// calculate the speculation
//Vector4 toEye = m_transformed[ m_polys[i]._indices[0] ]._position - camera;
//Vector4 reflect = ( n - l ) * ( 2 * ( n.DotProduct( l ) ) );
//toEye.Normalize();
//reflect.Normalize();
//float specPower = 1.0f;
//float spec = pow( max( reflect.DotProduct( toEye ), 0.0f ), specPower ) * att;
Vector4 toEye = m_transformed[ m_polys[i].Indices[0] ].Position - camera;
Vector4 half = camera + p / 2;
toEye.Normalize();
half.Normalize();
float specPower = 1.0f;
float spec = pow( max( n.DotProduct( half ), 0.0f ), specPower ) * att;
temp.X = temp.X * ( (dif + spec) * m_kd_red );
temp.Y = temp.Y * ( (dif + spec) * m_kd_green );
temp.Z = temp.Z * ( (dif + spec) * m_kd_blue );
result += temp;
}
//set colour
if ( result.X > 255.0f ) result.X = 255;
if ( result.Y > 255.0f ) result.Y = 255;
if ( result.Z > 255.0f ) result.Z = 255;
if ( result.X < 0.0f ) result.X = 0;
if ( result.Y < 0.0f ) result.Y = 0;
if ( result.Z < 0.0f ) result.Z = 0;
r = (BYTE)result.X;
g = (BYTE)result.Y;
b = (BYTE)result.Z;
m_polys[i].Colour = Gdiplus::Color::MakeARGB( 255, r, g, b );
}
}
}
开发者ID:ookumaneko，项目名称:Software-Renderer，代码行数:83，代码来源:Mesh.cpp
示例12: Normalize
/* Normalize */
Vector4 Normalize(Vector4 toNorm) {
toNorm.Normalize();
return toNorm;
}
开发者ID:CaptKH，项目名称:IceBreaker，代码行数:5，代码来源:Vector4.cpp
示例13: acos
/* AngleBetween */
float Vector4::AngleBetween(Vector4& vec) {
return acos(DotProduct(vec)/(Magnitude() * vec.Magnitude()));
}
开发者ID:CaptKH，项目名称:IceBreaker，代码行数:4，代码来源:Vector4.cpp
示例14: GShape
bool Asteroid::update() {
toWorld = translation * toWorld;
float x = toWorld.m[3][0];
float y = toWorld.m[3][1];
float z = toWorld.m[3][2];
if (x < -251 || x > 251 || y < -251 || y > 251 || z < -251 || z > 251) {
return false;
}
SolarSystem * solar = &Globals::solarSystem;
for (list<SolarPlanet*>::iterator it = solar->planets.begin();
it != solar->planets.end(); it++) {
Matrix4 newToWorld;
Vector3 newPoint;
Vector3 newDiff;
SolarPlanet* planet = (*it);
Vector3 pos = planet->position;
Vector3 asteroid_pos = toWorld.getTranslate().toVector3();
Vector3 diff = asteroid_pos - pos;
float mag = diff.magnitude();
if(!collided){
if (mag < planet->radius) {
planet->changeColor();
collided = true;
unsigned long range = 268435455;
float genSeed = ((float)rand() / (float)RAND_MAX) * range;
gShape = new GShape((unsigned long)genSeed);
Vector4 dir = toWorld.getTranslate() - pos.toVector4(0);
Vector3 newDir = dir.toVector3();
Vector3 face = Vector3(0, 0, 1);
float angle = face.angle(newDir);
Vector3 axis = face.cross(newDir).normalize();
Matrix4 rot;
rot = rot.makeRotateArbitrary(axis, angle);
toWorld.m[3][0] = pos[0];
toWorld.m[3][1] = pos[1];
toWorld.m[3][2] = pos[2];
toWorld = toWorld * rot;
toWorld.m[3][0] = asteroid_pos[0];
toWorld.m[3][1] = asteroid_pos[1];
toWorld.m[3][2] = asteroid_pos[2];
translation.identity();
float xT = dir[0] / (planet->radius * 2);
float yT = dir[1] / (planet->radius * 2);
float zT = dir[2] / (planet->radius * 2);
/*xT = xT / 200;
yT = yT / 200;
zT = zT / 200;*/
translation = translation.makeTranslate(xT, yT, zT);
justReverted = true;
break;
}
//return false;
}
else {
Vector3 basePos = gShape->baseToWorld.getTranslate().toVector3();
Vector3 leftPos = gShape->leftToWorld.getTranslate().toVector3();
Vector3 rightPos = gShape->rightToWorld.getTranslate().toVector3();
float baseRadius = gShape->A_size * 1.7;
float leftRadius = gShape->B_size * 1.7;
float rightRadius = gShape->C_size * 1.7;
diff = basePos - pos;
if (diff.magnitude() <= baseRadius + planet->radius) {
newToWorld = toWorld * translation;
newPoint = newToWorld.getTranslate().toVector3();
newDiff = newPoint - pos;
if (newDiff.magnitude() > diff.magnitude()) {
break;
}
else {
if (!justReverted) {
genColorz(gShape->baseBoundSphereColor);
translation.m[3][0] = -translation.m[3][0];
translation.m[3][1] = -translation.m[3][1];
translation.m[3][2] = -translation.m[3][2];
justReverted = true;
}
break;
//.........这里部分代码省略.........
开发者ID:tylerpitz，项目名称:CSE167-FinalProj，代码行数:101，代码来源:Asteroid.cpp
示例15: SetAttribute
bool XMLElement::SetVector4(const String& name, const Vector4& value)
{
return SetAttribute(name, value.ToString());
}
开发者ID:RobertoMalatesta，项目名称:AtomicGameEngine，代码行数:4，代码来源:XMLElement.cpp
示例16:
//todo
Vector4 operator * (const Transform& t, const Vector4& p)
{
Vector4 p1;
p1[0] = t.v[0][0]*p.get(0) + t.v[0][1]*p.get(1) + t.v[0][2]*p.get(2) + t.v[0][3]*p.get(3);
p1[1] = t.v[1][0]*p.get(0) + t.v[1][1]*p.get(1) + t.v[1][2]*p.get(2) + t.v[1][3]*p.get(3);
p1[2] = t.v[2][0]*p.get(0) + t.v[2][1]*p.get(1) + t.v[2][2]*p.get(2) + t.v[2][3]*p.get(3);
p1[3] = p.get(3);
return p1;
}
开发者ID:Alexander-Wilms，项目名称:Robotics-simulation，代码行数:15，代码来源:transform.cpp
示例17: Vector3
void GizmoSystem::UpdateTools( float deltaTime )
{
static Material* pickedToolMaterial;
static BasicObject* pickedToolPart = NULL;
static Vector3 pickedDirection;
static Vector3 applyDirection;
static bool isToolPart = false;
static float lastDotValue = 0;
static GameObject* cameraGO = NULL;
int cursorWindow = Systems::Input()->GetCursorWindow();
cameraGO = EditorApp::GetCameraFor( cursorWindow );
if ( _activeTool == E_GizmoTools::Pan )
{
if ( Systems::Input()->KeyDown(E_Key::MOUSE_LEFT) )
{
uint canvasSlot = EditorApp::GetCanvasSlotFor( cursorWindow );
if ( canvasSlot != -1 && cameraGO != NULL )
{
Vector2 cursorDelta = Systems::Input()->CursorDeltaPosition();
cameraGO->GetComponent<Transform>()->TranslateByLocal(
Vector3(- cursorDelta.x() * deltaTime, cursorDelta.y() * deltaTime, 0) );
}
}
return;
}
if ( Systems::Input()->KeyDownFirstTime(E_Key::MOUSE_LEFT) )
{
uint canvasSlot = EditorApp::GetCanvasSlotFor( cursorWindow );
if ( canvasSlot != -1 && cameraGO != NULL )
{
Vector2 cursor = Systems::Input()->CursorPosition();
RenderingOptions options(false);
RenderingOptions windowOptions = EditorApp::GetRenderingOptionsFor( cursorWindow );
options.gizmoGrid = windowOptions.gizmoGrid;
options.gizmoLines = windowOptions.gizmoLines;
options.gizmoIcons = windowOptions.gizmoIcons;
options.gizmoTools = true;
Systems::Rendering()->RenderSceneOffscreen( canvasSlot, E_Renderer::Picking,
Systems::Scene()->GetCurrentScene(), cameraGO, options );
Vector4 pixel = Systems::Rendering()->GetPixel( canvasSlot, E_Renderer::Picking, cursor.x(), cursor.y() );
uint pickedIndex = pixel.x();
std::cout << "picked " << pickedIndex << std::endl;
for (uint i = 0; i < _toolsParts[_activeTool].size(); ++i)
{
if ( _toolsParts[_activeTool][i]->uniqueIndex == pickedIndex )
{
pickedToolPart = _toolsParts[_activeTool][i];
pickedToolMaterial = pickedToolPart->meshDrawing->GetMaterial();
pickedToolPart->meshDrawing->SetMaterial( _toolsUseMaterial[_activeTool] );
isToolPart = true;
pickedDirection = pickedToolPart->transform->GetLocalForward();
switch (_activeTool)
{
case E_GizmoTools::Translate:
applyDirection = pickedDirection;
break;
case E_GizmoTools::Rotate:
applyDirection = pickedToolPart->transform->GetLocalAxisX();
break;
case E_GizmoTools::Scale:
Quaternion localRotation = pickedToolPart->transform->GetRotationLocal();
applyDirection = MathUtility::ApplyRotation( localRotation, Vector3(0, 0, -1) );
applyDirection.x( (float) ((int) applyDirection.x()) );
applyDirection.y( (float) ((int) applyDirection.y()) );
applyDirection.z( (float) ((int) applyDirection.z()) );
break;
}
Vector2 screenSize = EditorApp::GetScreenSizeFor( cursorWindow );
Vector3 ray = ObjectUtility::ScreenPointToRay( cursor, cameraGO, screenSize );
lastDotValue = MathUtility::Dot( ray, pickedDirection );
break;
}
}
if ( !isToolPart )
{
Systems::Event()->EmitEvent( E_EventType::Object,
E_EventName::Object_Selected,
Systems::Scene()->Find( pickedIndex ) );
}
//.........这里部分代码省略.........
开发者ID:MorcoFreeCode，项目名称:2015__MorcoEngine3D，代码行数:101，代码来源:GizmoSystem.cpp
示例18: sizeof
CMatrix4::CMatrix4(const Vector4& v1, const Vector4& v2, const Vector4& v3, const Vector4& v4)
#if 0
: m{ v1.GetX(), v1.GetY(), v1.GetZ(), v1.GetW(),
v2.GetX(), v2.GetY(), v2.GetZ(), v2.GetW(),
v3.GetX(), v3.GetY(), v3.GetZ(), v3.GetW(),
v4.GetX(), v4.GetY(), v4.GetZ(), v4.GetW() }
{
#else
{
constexpr std::size_t bytes = sizeof(float) * 4;
std::memcpy(static_cast<void*>(&m[0]), static_cast<const float*>(v1), bytes);
std::memcpy(static_cast<void*>(&m[4]), static_cast<const float*>(v2), bytes);
std::memcpy(static_cast<void*>(&m[8]), static_cast<const float*>(v3), bytes);
std::memcpy(static_cast<void*>(&m[12]), static_cast<const float*>(v4), bytes);
#endif
}
CMatrix4::CMatrix4(const Array& m)
: m(m)
{
}
void CMatrix4::SetRow(std::int32_t row, const Vector4& v)
{
HASENPFOTE_ASSERT_MSG((row >= 0) && (row < order), "Row index out of bounds.");
m[offset<order>(row, 0)] = v.GetX();
m[offset<order>(row, 1)] = v.GetY();
m[offset<order>(row, 2)] = v.GetZ();
m[offset<order>(row, 3)] = v.GetW();
}
开发者ID:Hasenpfote，项目名称:hasenpfote，代码行数:30，代码来源:cmatrix4.cpp
示例19: Average
static void Average(void)
{
float fTexX, fTexY;
Vector4 vOffset;
Vector4 vTexOffset_256x256[16];
Vector4 vTexOffset_64x64[16];
Vector4 vTexOffset_16x16[16];
Vector4 vTexOffset_4x4[16];
int index = 0;
index=0;
fTexX = 1.0f/256.0f;
fTexY = 1.0f/256.0f;
vOffset.Set(-0.5f/64.0f, -0.5f/64.0f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_256x256[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_256x256[index] += vOffset;
index++;
}
}
index=0;
fTexX = 1.0f/64.0f;
fTexY = 1.0f/64.0f;
vOffset.Set(-0.5f/16.0f, -0.5f/16.0f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_64x64[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_64x64[index] += vOffset;
index++;
}
}
index=0;
fTexX = 1.0f/16.0f;
fTexY = 1.0f/16.0f;
vOffset.Set(-0.5f/4.0f, -0.5f/4.0f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_16x16[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_16x16[index] += vOffset;
index++;
}
}
index=0;
fTexX = 1.0f/4.0f;
fTexY = 1.0f/4.0f;
vOffset.Set(-0.5f, -0.5f, 0.0f, 0.0f);
for ( int y=0; y<4; y++ )
{
for ( int x=0; x<4; x++ )
{
vTexOffset_4x4[index].Set(x*fTexX, y*fTexY, 0.0f, 0.0f);
vTexOffset_4x4[index] += vOffset;
index++;
}
}
ID3D10EffectTechnique *pShader = g_pExposureFX->GetTechniqueByName("Average16Samples");
ID3D10EffectShaderResourceVariable *pImage_var = g_pExposureFX->GetVariableByName("Image0")->AsShaderResource();
ID3D10EffectVectorVariable *pTexOffset_var = g_pExposureFX->GetVariableByName("vTexOffset")->AsVector();
// pShader->GetPassByIndex(0)->Apply(0);
// 256x256 -> 64x64
{
g_pDevice->OMSetRenderTargets(1, &g_pRTView[DOWNSAMPLED_64x64], NULL);
SetViewport(DOWNSAMPLED_64x64);
pImage_var->SetResource(g_pSRView[DOWNSAMPLED_256x256]);
pTexOffset_var->SetFloatVectorArray( (float *)vTexOffset_256x256, 0, 16);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
}
// 64x64 -> 16x16
{
g_pDevice->OMSetRenderTargets(1, &g_pRTView[DOWNSAMPLED_16x16], NULL);
SetViewport(DOWNSAMPLED_16x16);
pImage_var->SetResource(g_pSRView[DOWNSAMPLED_64x64]);
pTexOffset_var->SetFloatVectorArray( (float *)vTexOffset_64x64, 0, 16);
pShader->GetPassByIndex(0)->Apply(0);
DrawFullScreenQuad();
}
//.........这里部分代码省略.........
开发者ID:chenbk85，项目名称:3dlearn，代码行数:101，代码来源:render_dx10.cpp
示例20: D3DXMatrixScaling
void ModelRenderer::Render(const Camera* camera)
{
if(!_renders)
return;
// ワールド行列設定
Matrix SclMtx, RotMtx, PosMtx, WldMtx, WVPMtx;
// 拡縮
D3DXMatrixScaling(&SclMtx, _scale.x, _scale.y, _scale.z);
// 回転 : switch-case…クォータニオンか回転行列かXYZ指定か
this->Evaluate();
RotMtx = this->_worldRotationMatrix;
// 位置
D3DXMatrixTranslation(&PosMtx, _position.x, _position.y, _position.z);
GraphicsManager::_device->SetRenderState(D3DRS_CULLMODE, _cullingState);
// デバッグ用
//GraphicsManager::_device->SetRenderState(D3DRS_FILLMODE, D3DFILL_WIREFRAME);
// シェーダを使用する場合カメラのビュー行列(0)、プロジェクション行列(1)をワールド行列に合成
WldMtx = SclMtx * RotMtx * PosMtx;
WVPMtx = WldMtx * camera->GetMatrix(ViewBehavior::VIEW) * camera->GetMatrix(ViewBehavior::PROJECTION);
// カメラの座標をシェーダに使用するための行列変換
Matrix CamMtx = WldMtx * camera->GetMatrix(ViewBehavior::VIEW);
D3DXMatrixInverse(&CamMtx, NULL, &CamMtx);
auto eye = camera->GetEye();
Vector4 EyePos = Vector4(eye.x, eye.y, eye.z, 1);
EyePos.Transform(CamMtx);
D3DXVec4Normalize((D3DXVECTOR4*)&EyePos, (D3DXVECTOR4*)&EyePos);
// シェーダ設定
_shader->SetTechnique();
// シェーダにワールド * ビュー * プロジェクション行列を渡す
_shader->SetWVPMatrix(WVPMtx);
// シェーダー特有の値の設定
_shader->ApplyEffect(RotMtx, EyePos);
HRESULT hr;
// 3D モデルのパーツ分ループして描画
for(size_t i = 0 ; i < _mesh->GetMaterialNumber(); i++)
{
// テクスチャが存在しない場合のカラー
D3DXVECTOR4 color = D3DXVECTOR4(1.0,1.0,1.0,1.0);
// 格パーツに対応するテクスチャを設定
// シェーダにテクスチャを渡す
if(NULL != _textures[i])
{
LPDIRECT3DTEXTURE9 texture = _textures[i]->GetTextureData();
// シェーダにカラーを渡す
_shader->SetColor(_colorRGBA);
_shader->SetTexture(texture);
}else
_shader->SetColor(color);
// シェーダの使用開始
_shader->BeginShader();
// シェーダのパス設定
_shader->BeginPass(_addsBlend);
// パーツの描画
if(SUCCEEDED(GraphicsManager::_device->BeginScene()))
{
_mesh->GetMesh()->DrawSubset(i);
V(GraphicsManager::_device->EndScene());
}
// パス終了
_shader->EndPass();
// シェーダ終了
_shader->EndShader();
}
}
开发者ID:nuponsalt，项目名称:Game001，代码行数:65，代码来源:ModelRenderer.cpp
注：本文中的Vector4类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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