本文整理汇总了C++中HeightMap::read方法的典型用法代码示例。如果您正苦于以下问题：C++ HeightMap::read方法的具体用法？C++ HeightMap::read怎么用？C++ HeightMap::read使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类HeightMap的用法示例。
在下文中一共展示了HeightMap::read方法的3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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: pfacet
//---------------------------------------------------------------------------
void OGLGeo::heightmap2(HeightMap &map_in)
{
//高さ地図の描画その２．ポリゴンを使う
PFacet facet1,facet2;
Vertex p00,p01,p10,p11;
double x0,y0,x1,y1;
for(int j=0;j<map_in.mesh_j-1;j++)
{
for(int i=0;i<map_in.mesh_i-1;i++)
{
x0=map_in.itox(i);
x1=map_in.itox(i+1);
y0=map_in.jtoy(j);
y1=map_in.jtoy(j+1);
p00.x=x0;
p00.y=y0;
p01.x=x0;
p01.y=y1;
p10.x=x1;
p10.y=y0;
p11.x=x1;
p11.y=y1;
if(
(map_in.read(&p00.z,i,j))&&
(map_in.read(&p10.z,i+1,j))&&
(map_in.read(&p01.z,i,j+1))
)
{
facet1.a=p00;
facet1.b=p10;
facet1.c=p01;
facet1.abgd();
pfacet(facet1);
}
if(
(map_in.read(&p10.z,i+1,j))&&
(map_in.read(&p11.z,i+1,j+1))&&
(map_in.read(&p01.z,i,j+1))
)
{
facet2.a=p10;
facet2.b=p11;
facet2.c=p01;
facet2.abgd();
pfacet(facet2);
}
}
}
}示例2: glBegin
//---------------------------------------------------------------------------
void OGLGeo::heightmap3(HeightMap &map_in)
{
//高さ地図の描画．上面のみ
double x0,x1,y0,y1,z0,z1;
for(int j=0;j<map_in.mesh_j;j++)
{
for(int i=0;i<map_in.mesh_i;i++)
{
x0=map_in.x0+i*map_in.dx;
x1=map_in.x0+(i+1)*map_in.dx;
y0=map_in.y0+j*map_in.dy;
y1=map_in.y0+(j+1)*map_in.dy;
// z0=map_in.z0;
if(map_in.read(&z1,i,j))
{
//上面
glBegin(GL_POLYGON);
glNormal3d(0,0,1);
glVertex3d(x0,y0,z1);
glVertex3d(x1,y0,z1);
glVertex3d(x1,y1,z1);
glVertex3d(x0,y1,z1);
glEnd();
}
}
}
}示例3: heightmap
//---------------------------------------------------------------------------
void OGLGeo::heightmap(HeightMap &map_in)
{
//高さ地図の描画
GLfloat materialTop[]={0.2f,1.0f,0.4f,0.5f};//上面の色
GLfloat materialSide[]={0.9f,0.8f,0.4f,0.5f};//側面
double x0,x1,y0,y1,z0,z1;
for(int j=0;j<map_in.mesh_j;j++)
{
for(int i=0;i<map_in.mesh_i;i++)
{
x0=map_in.x0+i*map_in.dx;
x1=map_in.x0+(i+1)*map_in.dx;
y0=map_in.y0+j*map_in.dy;
y1=map_in.y0+(j+1)*map_in.dy;
z0=map_in.z0;
if(map_in.read(&z1,i,j))
{
//上面
glMaterialfv(GL_FRONT,GL_AMBIENT_AND_DIFFUSE,materialTop);
glBegin(GL_POLYGON);
glNormal3d(0,0,1);
glVertex3d(x0,y0,z1);
glVertex3d(x1,y0,z1);
glVertex3d(x1,y1,z1);
glVertex3d(x0,y1,z1);
glEnd();
//側面
glMaterialfv(GL_FRONT,GL_AMBIENT_AND_DIFFUSE,materialSide);
glBegin(GL_POLYGON);
glNormal3d(1,0,0);
glVertex3d(x1,y0,z0);
glVertex3d(x1,y1,z0);
glVertex3d(x1,y1,z1);
glVertex3d(x1,y0,z1);
glEnd();
glBegin(GL_POLYGON);
glNormal3d(-1,0,0);
glVertex3d(x0,y0,z0);
glVertex3d(x0,y0,z1);
glVertex3d(x0,y1,z1);
glVertex3d(x0,y1,z0);
glEnd();
glBegin(GL_POLYGON);
glNormal3d(0,1,0);
glVertex3d(x0,y1,z0);
glVertex3d(x0,y1,z1);
glVertex3d(x1,y1,z1);
glVertex3d(x1,y1,z0);
glEnd();
glBegin(GL_POLYGON);
glNormal3d(0,-1,0);
glVertex3d(x0,y0,z0);
glVertex3d(x1,y0,z0);
glVertex3d(x1,y0,z1);
glVertex3d(x0,y0,z1);
glEnd();
}
}
}
}