Converted all libs from shared to static - it will allow closed-source apps to use LGPL-ed libsdl,
and will solve some cross-referencing problems, like SDL_init called from static constructors.
This commit is contained in:
123
alienblaster/project/jni/application/src/boundingBox.cpp
Normal file
123
alienblaster/project/jni/application/src/boundingBox.cpp
Normal file
@@ -0,0 +1,123 @@
|
||||
/***************************************************************************
|
||||
alienBlaster
|
||||
Copyright (C) 2004
|
||||
Paul Grathwohl, Arne Hormann, Daniel Kuehn, Soenke Schwardt
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
***************************************************************************/
|
||||
#include "boundingBox.h"
|
||||
/*
|
||||
void setX(Uint16 newX) {box.x = newX;}
|
||||
void setY(Uint16 newY) {box.y = newY;}
|
||||
void setWidth(Uint16 newWidth) {box.w = newWidth;}
|
||||
void setHeight(Uint16 newHeight) {box.h = newHeight;}
|
||||
*/
|
||||
|
||||
BoundingBox::BoundingBox(int x, int y, int width, int height) {
|
||||
box.x = x;
|
||||
box.y = y;
|
||||
box.w = width;
|
||||
box.h = height;
|
||||
}
|
||||
|
||||
int BoundingBox::getUpperBound() {
|
||||
return box.y;
|
||||
}
|
||||
|
||||
int BoundingBox::getLowerBound() {
|
||||
return box.y + box.h;
|
||||
}
|
||||
|
||||
int BoundingBox::getLeftBound() {
|
||||
return box.x;
|
||||
}
|
||||
|
||||
int BoundingBox::getRightBound() {
|
||||
return box.x + box.w;
|
||||
}
|
||||
|
||||
bool BoundingBox::overlaps(BoundingBox *other) {
|
||||
return ( !(getUpperBound() > other->getLowerBound()) &&
|
||||
!(getLowerBound() < other-> getUpperBound()) &&
|
||||
!(getLeftBound() > other->getRightBound()) &&
|
||||
!(getRightBound() < other->getLeftBound()) );
|
||||
}
|
||||
|
||||
bool BoundingBox::overlaps(const Vector2D &startOfLine, const Vector2D &endOfLine) {
|
||||
|
||||
// FIXME: optimize me!
|
||||
RectangleGeo rect( Vector2D( box.x, box.y ),
|
||||
Vector2D( box.x + box.w, box.y + box.h ) );
|
||||
// FIXME: optimize me!
|
||||
|
||||
bool overlaps = false;
|
||||
|
||||
overlaps = rect.isInside( endOfLine );
|
||||
if ( overlaps ) return true;
|
||||
overlaps = rect.isInside( startOfLine );
|
||||
if ( overlaps ) return true;
|
||||
|
||||
// check some points between the two end points
|
||||
Vector2D delta((endOfLine.getX() - startOfLine.getX()) / 4.0,
|
||||
(endOfLine.getY() - startOfLine.getY()) / 4.0);
|
||||
Vector2D actPoint = startOfLine + delta;
|
||||
int i = 1;
|
||||
while (!overlaps && i <= 3 ) {
|
||||
overlaps = rect.isInside(actPoint);
|
||||
actPoint += delta;
|
||||
i++;
|
||||
}
|
||||
return overlaps;
|
||||
}
|
||||
|
||||
bool BoundingBox::overlaps(const Circle &circle) {
|
||||
RectangleGeo rect( Vector2D( box.x, box.y ),
|
||||
Vector2D( box.x + box.w, box.y + box.h ) );
|
||||
return (rect.isInside(circle.getCenter()) ||
|
||||
circle.isInside(rect.getPosLeftTop()) ||
|
||||
circle.isInside(rect.getPosRightBottom()) ||
|
||||
circle.isInside(Vector2D( box.x, box.y + box.h )) ||
|
||||
circle.isInside(Vector2D( box.x + box.w, box.y )));
|
||||
}
|
||||
|
||||
void BoundingBox::modifyX(int value) {
|
||||
box.x += value;
|
||||
}
|
||||
|
||||
void BoundingBox::modifyY(int value) {
|
||||
box.y += value;
|
||||
}
|
||||
|
||||
void BoundingBox::moveUpperBound(int upperBound) {
|
||||
box.y = upperBound;
|
||||
}
|
||||
|
||||
void BoundingBox::moveLowerBound(int lowerBound) {
|
||||
box.y = lowerBound - box.h;
|
||||
}
|
||||
|
||||
void BoundingBox::moveLeftBound(int leftBound) {
|
||||
box.x = leftBound;
|
||||
}
|
||||
|
||||
void BoundingBox::moveRightBound(int rightBound) {
|
||||
box.x = rightBound - box.w;
|
||||
}
|
||||
|
||||
/*
|
||||
SDL_Rect *BoundingBox::getRect() {
|
||||
return &box;
|
||||
}
|
||||
*/
|
||||
Reference in New Issue
Block a user