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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
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sigonasr2 2 years ago
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  1. BIN
      C++ProjectTemplate
  2. 99
      input
  3. 152
      main.cpp
  4. 5
      testinput

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152
main.cpp
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using namespace olc;
class Example : public olc::PixelGameEngine
int main()
{
public:
Example()
{
sAppName = "Example";
}
public:
bool RayVsRect(const vf2d ray_origin, const vf2d ray_dir, const olc::utils::geom2d::rect<float> target, vf2d&contact_point, vf2d&contact_normal, float&t_hit_near){
contact_normal = { 0, 0 };
contact_point = { 0, 0 };
vf2d t_near = {(target.pos.x - ray_origin.x) / ray_dir.x, (target.pos.y - ray_origin.y) / ray_dir.y};
vf2d t_far = {(target.pos.x + target.size.x - ray_origin.x) / ray_dir.x, (target.pos.y + target.size.y - ray_origin.y) / ray_dir.y};
if (t_near.x > t_far.x) {float b; b = t_near.x; t_near.x = t_far.x; t_far.x = b;};
if (t_near.y > t_far.y) {float b; b = t_near.y; t_near.y = t_far.y; t_far.y = b;};
if (t_near.x > t_far.y || t_near.y > t_far.x) return false;
t_hit_near = fmax(t_near.x, t_near.y);
float t_hit_far = fmin(t_far.x, t_far.y);
if (t_hit_far < 0) return false;
contact_point.x = ray_origin.x + t_hit_near * ray_dir.x;
contact_point.y = ray_origin.y + t_hit_near * ray_dir.y;
if (t_near.x > t_near.y)
if ( 1.0f / ray_dir.x < 0)
contact_normal = { 1, 0 };
else
contact_normal = { -1, 0};
else
if ( t_near.x < t_near.y)
if ( 1.0f / ray_dir.y < 0)
contact_normal = { 0, 1 };
else
contact_normal = { 0, -1 };
return true;
std::ifstream file("input");
std::vector<std::vector<int>> data;
while (file.good()){
std::string line;
std::getline(file,line);
if (line.length()>0){
std::cout<<line<<std::endl;
std::vector<int>rowData;
for (int i=0;i<line.length();i++){
rowData.push_back(line[i]);
}
data.push_back(rowData);
}
}
vf2d originPoint={16,16};
bool OnUserCreate() override
{
// Called once at the start, so create things here
return true;
}
bool OnUserUpdate(float fElapsedTime) override
{
vf2d velocity={(GetKey(D).bHeld-GetKey(A).bHeld)*20*fElapsedTime,(GetKey(S).bHeld-GetKey(W).bHeld)*20*fElapsedTime};
vf2d contact_point;
vf2d contact_normal;
float t_hit_near;
Clear(Pixel(64,64,255));
if (!olc::utils::geom2d::overlaps(olc::utils::geom2d::circle<float>{originPoint+velocity,5},olc::utils::geom2d::rect<float>{{32,32},{64,32}})) {
originPoint+=velocity;
DrawCircle(originPoint,5);
} else {
DrawCircle(originPoint,5,RED);
std::cout<<"=================="<<std::endl;
int maxScore=0;
for (int row=0;row<data.size();row++){
for (int col=0;col<data[row].size();col++){
std::cout<<"Checking score for ("<<col<<","<<row<<")"<<std::endl;
int score=1;
int target=data[row][col];
int diff=0;
for (int x=col-1;x>=0;x--){//Towards the left.
if (data[row][x]>=target){
int diff=col-x;
score*=diff;
std::cout<<" (Left Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
goto next2;
}
}
diff=col;
score*=diff;
std::cout<<" (Left Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
next2:
for (int x=col+1;x<data[row].size();x++){//Towards the right.
if (data[row][x]>=target){
int diff=x-col;
score*=diff;
std::cout<<" (Right Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
goto next3;
}
}
diff=data[row].size()-col-1;
score*=diff;
std::cout<<" (Right Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
next3:
for (int y=row-1;y>=0;y--){//Towards up.
if (data[y][col]>=target){
int diff=row-y;
score*=diff;
std::cout<<" (Up Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
goto next4;
}
}
diff=row;
score*=diff;
std::cout<<" (Up Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
next4:
for (int y=row+1;y<data.size();y++){//Towards down.
if (data[y][col]>=target){
int diff=y-row;
score*=diff;
std::cout<<" (Down Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
goto next5;
}
}
diff=data.size()-row-1;
score*=diff;
std::cout<<" (Down Scan) Score increased by "<<diff<<" Score: "<<score<<std::endl;
next5:
if (score>=maxScore){
maxScore=score;
}
}
DrawLine(originPoint,GetMousePos());
DrawRect({32,32},{64,32},RayVsRect(originPoint, GetMousePos()-originPoint, olc::utils::geom2d::rect<float>{{32,32},{64,32}},contact_point,contact_normal,t_hit_near)&&t_hit_near<1?YELLOW:WHITE);
return true;
}
};
int main()
{
Example demo;
if (demo.Construct(128, 120, 8, 8))
demo.Start();
}
//Include edges.
std::cout<<"Max score:"<<maxScore<<std::endl;
return 0;
}

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