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Improve movement

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This commit is contained in:
Miloslav Číž 2018-09-06 19:17:31 +02:00
parent f86215c4c1
commit 04b9c42e0a
1 changed files with 32 additions and 15 deletions
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47
raycastlib.h
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@ -979,34 +979,51 @@ void moveCameraWithCollision(Camera *camera, Vector2D planeOffset,
int16_t xSquareNew = divRoundDown(cornerNew.x,UNITS_PER_SQUARE);
int16_t ySquareNew = divRoundDown(cornerNew.y,UNITS_PER_SQUARE);
int8_t xCollides =
xSquare != xSquareNew &&
floorHeightFunc(xSquareNew,ySquare) > UNITS_PER_SQUARE;
Unit bottomLimit = camera->height - camera->collisionHeightBelow;
Unit topLimit = camera->height + camera->collisionHeightAbove;
int8_t yCollides =
ySquare != ySquareNew &&
floorHeightFunc(xSquare,ySquareNew) > UNITS_PER_SQUARE;
int8_t xCollides;
int8_t yCollides;
#define collideHelper(dir)\
#define collideHelper(dir,s1,s2)\
if (dir##Square != dir##SquareNew)\
{\
Unit height = floorHeightFunc(xSquare##s1,ySquare##s2);\
if (height > bottomLimit)\
dir##Collides = true;\
else if (ceilingHeightFunc != 0)\
{\
height = ceilingHeightFunc(xSquare##s1,ySquare##s2);\
if (height < topLimit)\
dir##Collides = true;\
}\
}\
else\
dir##Collides = false;\
\
if (dir##Collides)\
cornerNew.dir = (dir##Square) * UNITS_PER_SQUARE + UNITS_PER_SQUARE / 2 +\
dir##Dir * (UNITS_PER_SQUARE / 2) - dir##Dir;
dir##Dir * (UNITS_PER_SQUARE / 2) - dir##Dir;\
collideHelper(x)
collideHelper(y)
collideHelper(x,New,)
collideHelper(y,,New)
#undef collideHelper
camera->position.x = cornerNew.x - xDir * camera->collisionRadius;
camera->position.y = cornerNew.y - yDir * camera->collisionRadius;
camera->height += heightOffset;
xSquareNew = divRoundDown(camera->position.x,UNITS_PER_SQUARE);
ySquareNew = divRoundDown(camera->position.y,UNITS_PER_SQUARE);
Unit floorHeightNew = floorHeightFunc(xSquareNew,ySquareNew);
Unit ceilingHeightNew = ceilingHeightFunc != 0 ?
ceilingHeightFunc(xSquareNew,ySquareNew) : UNIT_INFINITY;
/*
camera->height = clamp(camera->height,
floorHeight2 + camera->collisionHeightBelow,
ceilHeight2 - camera->collisionHeightAbove);
*/
floorHeightNew + camera->collisionHeightBelow,
ceilingHeightNew - camera->collisionHeightAbove);
}
#endif