//
// Test a line against a mesh
// Selects the closest front-facing triangle
//
int CMesh::LineSelect( const CVec3 &LP1, const CVec3 &LP2 )
{
CVec3 HitP;
int nbHits = 0;
int nSelTri = -1;
float fDistance = 1000000000.0f;
for (int nTri = 0; nTri < m_nbTris; nTri++ )
{
if ( m_pTriFlags[ nTri ] & TF_BACKFACING ) continue; // Check only front facing triangles
int nV = nTri*3;
bool bHit = CheckLineTri( LP2, LP1, m_pVerts[ m_pTris[nV] ], m_pVerts[ m_pTris[nV+1] ], m_pVerts[ m_pTris[nV+2] ], HitP );
if ( bHit ) {
if ( HitP.Distance( LP1 ) < fDistance ) {
fDistance = HitP.Distance( LP1 );
nSelTri = nTri;
}
nbHits++;
}
}
SelectTriangle( nSelTri );
return nbHits;
}
void CallTriangle(GLint button, GLint state, GLint x, GLint y){
static int first=1;
if (state == GLUT_DOWN && button == GLUT_LEFT_BUTTON){
if (first == 1){
x1 = x;
y10 = hh - y;
first++;
}
else if(first == 2){
x2 = x;
y2 = hh - y;
first++;
}
else{
x3 = x;
y3 = hh - y;
first = 1;
SelectTriangle();
}
}
return;
}
void Unitselect::UiDraw(){
Vec2f warrior_draw_pos = Vec2f((WIDTH / 2 - 250) - 300 * static_cast<int>(Job::WARRIOR),
HEIGHT / 4);
Vec2f lancer_draw_pos = Vec2f((WIDTH / 2 - 250) - 300 * static_cast<int>(Job::LANCER),
HEIGHT / 4);
Vec2f select_job_pos = Vec2f(-100, 300);
selectjob_color[static_cast<int>(Job::WARRIOR)] = warrior.GetColor();
selectjob_color[static_cast<int>(Job::LANCER)] = lancer.GetColor();
if (select_job == static_cast<int>(Job::WARRIOR))
{
SelectTriangle(Vec2f(warrior_draw_pos.x() + 50, warrior_draw_pos.y() + 220));
}
if (select_job == static_cast<int>(Job::LANCER))
{
SelectTriangle(Vec2f(lancer_draw_pos.x() + 50, lancer_draw_pos.y() + 220));
}
if (select_job == static_cast<int>(Job::JOB_MAX)){
SelectTriangle(Vec2f(select_job_pos.x() + 200, select_job_pos.y() + 50));
}
font.draw("ウォーリアー", Vec2f(warrior_draw_pos.x() - 50, warrior_draw_pos.y() - 100),
Color::white);
font.draw("ランサー", Vec2f(lancer_draw_pos.x() - 50, lancer_draw_pos.y() - 100),
Color::white);
if (player_or_enemy)
{
font.draw("プレイヤーセレクト", Vec2f(select_job_pos.x(), select_job_pos.y()),
Color::white);
}
else
{
font.draw("エネミーセレクト", Vec2f(select_job_pos.x(), select_job_pos.y()),
Color::white);
}
}
//
// Select mesh triangles that are in a frustum defined by 8 Points( and 4 face normals )
// I'm currently ignoring near and far planes, but they could be easily added
//
int CMesh::FrustumSelect( CVec3 Normals[4], CVec3 Points[8] )
{
int nbHits = 0;
CVec3 Tri[3];
for (int nTri = 0; nTri < m_nbTris; nTri++ )
{
int nV = nTri*3;
Tri[0] = m_pVerts[ m_pTris[ nV ] ];
Tri[1] = m_pVerts[ m_pTris[ nV+1 ] ];
Tri[2] = m_pVerts[ m_pTris[ nV+2 ] ];
if ( TriInFrustum( Tri, Normals, Points ) )
{
SelectTriangle( nTri );
nbHits++;
}
}
return nbHits;
}
