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objects.cpp
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79 lines (77 loc) · 1.95 KB
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#include "objects.hpp"
#include <cmath>
#define PI 3.1415926535
object_base::object_base(SDL_Texture* imgTexture,
SDL_Rect* pClip,
SDL_Point* pCenter)
:img(imgTexture)
{
if(pClip!=NULL)
clip=*pClip;
if(pCenter!=NULL)
center=*pCenter;
}
bool object_base::isCollise(const object_base& other,
const point& pos1,
double rot1,
const point& pos2,
double rot2)
{
int M=shape.size();
int N=ot
6498
her.shape.size();
int i,j;
for(i=0;i<M;++i)
{
for(j=0;j<N;++j)
{
if( !shape[i]->isSeperate(*(other.shape[j]),pos1,rot1,pos2,rot2)
&& !other.shape[j]->isSeperate(*(shape[i]),pos2,rot2,pos1,rot1)
)
return true;
}
}
return false;
}
void object_base::draw(SDL_Renderer *gRenderer,
const point& pos,
double rot)
{
SDL_Rect destRect(clip);
destRect.x=pos.x-center.x;
destRect.y=pos.y-center.y;
if(img!=NULL)
SDL_RenderCopyEx(gRenderer,img,&clip,&destRect,rot,¢er,SDL_FLIP_NONE);
SDL_SetRenderDrawColor(gRenderer, 0, 0, 0, 255);
for(int i=shape.size()-1;i>=0;--i)
{
if(shape[i]->type()==GEO_CIRCLE)
{
int k;
double r=dynamic_cast<circle*>(shape[i])->radius;
point c(dynamic_cast<circle*>(shape[i])->center);
c.rotate(rot);
c.x+=pos.x;
c.y+=pos.y;
for(int j=0;j<40;++j)
{
k=(j+1)%40;
SDL_RenderDrawLine(gRenderer,c.x+r*cos(j/20.0*PI),c.y+r*sin(j/20.0*PI)
,c.x+r*cos(k/20.0*PI),c.y+r*sin(k/20.0*PI));
}
}
else
{
int N=dynamic_cast<polygen*>(shape[i])->points.size(),k;
point p,q;
for(int j=0;j<N;++j)
{
k=(j+1)%N;
p=dynamic_cast<polygen*>(shape[i])->points[j];
q=dynamic_cast<polygen*>(shape[i])->points[k];
p.rotate(rot);
q.rotate(rot);
SDL_RenderDrawLine(gRenderer,p.x+pos.x,p.y+pos.y,q.x+pos.x,q.y+pos.y);
}
}
}
}