float AABB::GetSquaredDistance(const Vector& v) const {
const Vector ClosestPoint = GetClosestPoint(v);
const Vector Offset = ClosestPoint - v;
const float DistSq = Offset.LengthSquared();
return DistSq;
}
wxRealPoint MorphanView::GetRealPosition(const wxPoint& point)
{
wxRealPoint ret = panel->CalcUnscrolledPosition(point);
bool snapped = false;
if (snap_points)
{
wxRealPoint closest = GetClosestPoint(ret);
if (distance(ret, closest) < SNAP_SENSITIVITY)
{
ret = closest;
snapped = true;
}
}
if (snap_grid && !snapped)
{
float gridw = grid_width * zoom;
float gridh = grid_height * zoom;
ret.x = round(point.x / gridw) * gridw;
ret.y = round(point.y / gridh) * gridh;
}
ret.x = ret.x / zoom;
ret.y = ret.y / zoom;
return ret;
}
//////////
// Find parameters of the point on a surface that is locally closest to
// the test_point. The search for a local close point starts at
// seed parameters. If a sub_domain parameter is not NULL, then
// the search is restricted to the specified portion of the surface.
//
// true if returned if the search is successful. false is returned if
// the search fails.
ON_BOOL32 ON_PlaneSurface::GetLocalClosestPoint( const ON_3dPoint& test_point, // test_point
double s0, double t0, // seed_parameters
double* s,double* t, // parameters of local closest point returned here
const ON_Interval* sdomain, // first parameter sub_domain
const ON_Interval* tdomain // second parameter sub_domain
) const
{
// for planes, global serach is fast and returns same answer as local search
return GetClosestPoint(test_point,s,t,0.0,sdomain,tdomain);
}
float SplineCurve::GetQuickDistance(Vector2D ref) const {
if (type == BICUBIC) {
float lens[] = {
GetClosestSegmentDistance(p1, p2, ref),
GetClosestSegmentDistance(p2, p3, ref),
GetClosestSegmentDistance(p3, p4, ref),
GetClosestSegmentDistance(p4, p1, ref),
GetClosestSegmentDistance(p1, p3, ref),
GetClosestSegmentDistance(p2, p4, ref)
};
return *std::min_element(lens, lens + 6);
}
return (GetClosestPoint(ref) - ref).Len();
}
ON_BOOL32 ON_LineCurve::GetLocalClosestPoint( const ON_3dPoint& test_point,
double seed_parameter,
double* t,
const ON_Interval* sub_domain
) const
{
if ( sub_domain )
{
if ( seed_parameter < sub_domain->Min() )
seed_parameter = sub_domain->Min();
else if ( seed_parameter > sub_domain->Max() )
seed_parameter = sub_domain->Max();
}
ON_BOOL32 rc = GetClosestPoint( test_point, t, 0.0, sub_domain );
if ( rc
&& t
&& seed_parameter != *t
&& test_point.DistanceTo(PointAt(seed_parameter)) <= test_point.DistanceTo(PointAt(*t))
)
{
*t = seed_parameter;
}
return rc;
}
//=============================================================================
void Update(float dt)
{
// selecting unit
INT2 tile((cursor_pos.x + cam_pos.x)/32, (cursor_pos.y + cam_pos.y)/32);
if(tile.x >= 0 && tile.y >= 0 && tile.x < MAP_W && tile.y < MAP_W && MousePressedRelease(1))
{
Tile& t = mapa[tile.x+tile.y*MAP_W];
selected = t.unit;
}
// sleep button
if(player && player->alive && player->inside_building && cursor_pos.x >= 32 && cursor_pos.y >= 700 && cursor_pos.x < 32+16 && cursor_pos.y < 700+16 && MousePressedRelease(1))
{
if(player->gold >= 10 && !player->sleeping && player->hp != player->base->hp)
{
player->gold -= 10;
player->sleeping = true;
player->sleeping_progress = 0.f;
}
}
// update player
if(player && player->alive && player->waiting <= 0.f && !player->moving)
{
Unit& u = *player;
if(player->sleeping)
{
player->sleeping_progress += dt;
if(player->sleeping_progress >= 1.f)
{
player->hp += 5;
player->sleeping_progress = 0.f;
if(player->hp >= player->base->hp)
{
player->hp = player->base->hp;
player->sleeping = false;
}
}
}
else if(u.inside_building)
{
// unit inside building, press SPACE to exit
if(KeyPressedRelease(SDL_SCANCODE_SPACE) && !mapa[u.pos.x+u.pos.y*MAP_W].unit)
{
if(!TryMove(u, DIR_S, false))
{
if(rand()%2 == 0)
{
if(!TryMove(u, DIR_SW, false))
{
if(TryMove(u, DIR_SE, false))
u.inside_building = false;
}
else
u.inside_building = false;
}
else
{
if(!TryMove(u, DIR_SE, false))
{
if(TryMove(u, DIR_SW, false))
u.inside_building = false;
}
else
u.inside_building = false;
}
}
else
u.inside_building = false;
}
}
else
{
struct Key1
{
SDL_Scancode k1;
SDL_Scancode k2;
DIR dir;
};
const Key1 keys1[] = {
SDL_SCANCODE_LEFT, SDL_SCANCODE_KP_4, DIR_W,
SDL_SCANCODE_RIGHT, SDL_SCANCODE_KP_6, DIR_E,
SDL_SCANCODE_UP, SDL_SCANCODE_KP_8, DIR_N,
SDL_SCANCODE_DOWN, SDL_SCANCODE_KP_2, DIR_S
};
struct Key2
{
SDL_Scancode k1;
SDL_Scancode k2;
SDL_Scancode k3;
DIR dir;
};
const Key2 keys2[] = {
SDL_SCANCODE_KP_1, SDL_SCANCODE_LEFT, SDL_SCANCODE_DOWN, DIR_SW,
SDL_SCANCODE_KP_3, SDL_SCANCODE_RIGHT, SDL_SCANCODE_DOWN, DIR_SE,
SDL_SCANCODE_KP_7, SDL_SCANCODE_LEFT, SDL_SCANCODE_UP, DIR_NW,
SDL_SCANCODE_KP_9, SDL_SCANCODE_RIGHT, SDL_SCANCODE_UP, DIR_NE
};
for(int i=0; i<4; ++i)
{
if(KeyDown(keys2[i].k1) || (KeyDown(keys2[i].k2) && KeyDown(keys2[i].k3)))
{
if(TryMove(u, keys2[i].dir, true))
break;
}
}
if(!u.moving && u.waiting <= 0.f)
{
for(int i=0; i<4; ++i)
{
if(KeyDown(keys1[i].k1) || KeyDown(keys1[i].k2))
{
if(TryMove(u, keys1[i].dir, true))
break;
}
}
}
}
}
// update ai
for(vector<Unit*>::iterator it = units.begin(), end = units.end(); it != end; ++it)
{
Unit& u = **it;
u.attack_timer -= dt;
if(u.hp <= 0)
{
if(&u == player)
player = NULL;
if(u.moving)
mapa[u.new_pos.x+u.new_pos.y*MAP_W].unit = NULL;
mapa[u.pos.x+u.pos.y*MAP_W].unit = NULL;
delete &u;
it = units.erase(it);
end = units.end();
if(it == end)
break;
}
else if(u.waiting > 0.f)
u.waiting -= dt;
else if(u.moving)
{
u.move_progress += dt*u.base->move_speed;
if(u.move_progress >= 1.f)
{
u.moving = false;
mapa[u.pos.x+u.pos.y*MAP_W].unit = NULL;
u.pos = u.new_pos;
Tile& tile = mapa[u.pos.x+u.pos.y*MAP_W];
if(tile.building)
{
tile.unit = NULL;
u.inside_building = true;
if(player->untaxed_gold)
{
int tax = player->untaxed_gold*TAX/100;
player->untaxed_gold -= tax;
player->gold += player->untaxed_gold;
player->untaxed_gold = 0;
}
}
}
}
else if(&u != player && player && player->alive && !player->inside_building)
{
INT2 enemy_pt;
int dist = GetClosestPoint(u.pos, *player, enemy_pt);
if(dist <= 50)
{
if(dist <= 15)
{
// in attack range
if(u.attack_timer <= 0.f)
{
Hit& hit = Add1(hits);
hit.pos = player->GetPos();
hit.timer = 0.5f;
hit._ref = player->_ref;
u.waiting = 0.5f;
u.attack_timer = 1.f/u.base->attack_speed;
player->hp -= u.base->attack - player->base->defense;
if(player->hp <= 0)
{
player->alive = false;
u.gold += (player->gold + player->untaxed_gold);
player->gold = 0;
player->untaxed_gold = 0;
}
}
}
else
{
DIR dir = GetDir(u.pos, enemy_pt);
if(!TryMove(u, dir, false))
{
struct SubDir
{
DIR a, b;
};
const SubDir sub_dir[8] = {
DIR_SE, DIR_SW, //DIR_S,
DIR_W, DIR_S, //DIR_SW,
DIR_NW, DIR_SW, //DIR_W,
DIR_N, DIR_W, //DIR_NW,
DIR_NE, DIR_NW, //DIR_N,
DIR_N, DIR_E, //DIR_NE,
DIR_SE, DIR_NE, //DIR_E,
DIR_S, DIR_E //DIR_SE,
};
if(rand()%2 == 0)
{
if(!TryMove(u, sub_dir[dir].a, false))
TryMove(u, sub_dir[dir].b, false);
}
else
{
if(!TryMove(u, sub_dir[dir].b, false))
TryMove(u, sub_dir[dir].a, false);
}
}
}
}
}
}
// update hit animations
for(vector<Hit>::iterator it = hits.begin(), end = hits.end(); it != end;)
{
Hit& hit = *it;
hit.timer -= dt;
if(hit.timer <= 0.f)
{
if(it+1 == end)
{
hits.pop_back();
break;
}
else
{
std::iter_swap(it, end-1);
hits.pop_back();
end = hits.end();
}
}
else
{
if(CheckRef(hit._ref))
hit.pos = hit._ref->GetRef().GetPos();
++it;
}
}
// set camera
if(player)
{
cam_pos = player->GetPos() - SCREEN_SIZE/2;
if(cam_pos.x < 0)
cam_pos.x = 0;
if(cam_pos.y < 0)
cam_pos.y = 0;
if(cam_pos.x + SCREEN_SIZE.x > MAP_W*32)
cam_pos.x = MAP_W*32-SCREEN_SIZE.x;
if(cam_pos.y + SCREEN_SIZE.y > MAP_H*32)
cam_pos.y = MAP_H*32-SCREEN_SIZE.y;
}
}
Float HawkLine3D::GetDistance(const HawkVector3D& oVec) const
{
HawkVector3D vPt = GetClosestPoint(oVec);
return (oVec - vPt).Length();
}
Float HawkRay2D::GetDistance(const HawkVector2D& oVec2) const
{
return (oVec2 - GetClosestPoint(oVec2)).Length();
}
Vector Triangle::GetClosestPoint( const Vector& v ) const
{
return GetClosestPoint( v, NULL );
}
