I fucking hate collisions

This commit is contained in:
Kayne Ruse
2014-12-27 20:27:24 +11:00
parent 8bf45bc8e4
commit 7c51f820d5
4 changed files with 27 additions and 10 deletions
+21 -4
View File
@@ -21,15 +21,17 @@
*/
#include "local_character.hpp"
void LocalCharacter::ProcessCollisions(std::list<BoundingBox>& boxList) {
bool LocalCharacter::ProcessCollisions(std::list<BoundingBox>& boxList) {
if (CheckCollisionSimple(boxList, origin + motion)) {
Vector2 velocity;
velocity.x = CorrectVelocityX(boxList, motion.x);
velocity.y = CorrectVelocityY(boxList, motion.y);
origin += velocity;
return true;
}
else {
origin += motion;
return false;
}
}
@@ -47,10 +49,12 @@ double LocalCharacter::CorrectVelocityX(std::list<BoundingBox>& boxList, double
for (auto& it : boxList) {
if (it.CheckOverlap(bounds + origin + Vector2(velocityX, 0) )) {
if (velocityX > 0) {
ret = std::min(ret, it.x - origin.x - (bounds.w - bounds.x - 1));
ret = std::min(ret, it.x - (origin.x + bounds.x + bounds.w -1));
ret = std::min(ret, 0.0);
}
else if (velocityX < 0) {
ret = std::max(ret, (it.x + it.w) - origin.x);
ret = std::max(ret, (it.x + it.w) - (origin.x + bounds.x));
ret = std::max(ret, 0.0);
}
}
}
@@ -58,5 +62,18 @@ double LocalCharacter::CorrectVelocityX(std::list<BoundingBox>& boxList, double
}
double LocalCharacter::CorrectVelocityY(std::list<BoundingBox>& boxList, double velocityY) {
return velocityY;
double ret = velocityY;
for (auto& it : boxList) {
if (it.CheckOverlap(bounds + origin + Vector2(0, velocityY) )) {
if (velocityY > 0) {
ret = std::min(ret, it.y - (origin.y + bounds.y + bounds.h -1));
ret = std::min(ret, 0.0);
}
else if (velocityY < 0) {
ret = std::max(ret, (it.y + it.h) - (origin.y + bounds.y));
ret = std::max(ret, 0.0);
}
}
}
return ret;
}
+1 -1
View File
@@ -33,7 +33,7 @@ public:
LocalCharacter() = default;
virtual ~LocalCharacter() = default;
void ProcessCollisions(std::list<BoundingBox>& boxList);
bool ProcessCollisions(std::list<BoundingBox>& boxList);
protected:
bool CheckCollisionSimple(std::list<BoundingBox>& boxList, Vector2 newPos);
+1 -5
View File
@@ -154,11 +154,7 @@ void InWorld::Update() {
//update all entities
for (auto& it : characterMap) {
//skip this player's character
if (it.first == characterIndex) {
continue;
}
it.second.Update();
// it.second.Update();
}
for (auto& it : monsterMap) {
it.second.Update();
+4
View File
@@ -92,6 +92,10 @@ public:
return ret;
}
//unary operators
Vector2 operator-() { return {-x, -y}; }
//comparison operators
bool operator==(Vector2 v) { return (x == v.x && y == v.y); }
bool operator!=(Vector2 v) { return (x != v.x || y != v.y); }