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Add simple movement

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This commit is contained in:
Miloslav Číž 2018-09-08 18:07:36 +02:00
parent 39f8b99cf3
commit 64dfbad14c
1 changed files with 6 additions and 3 deletions
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9
raycastlib.h
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@ -228,7 +228,7 @@ void render(Camera cam, ArrayFunction floorHeightFunc,
void moveCameraWithCollision(Camera *camera, Vector2D planeOffset,
Unit heightOffset, ArrayFunction floorHeightFunc,
ArrayFunction ceilingHeightFunc);
ArrayFunction ceilingHeightFunc, int8_t computeHeight);
//=============================================================================
// privates
@ -984,7 +984,7 @@ Unit perspectiveScale(Unit originalSize, Unit distance)
void moveCameraWithCollision(Camera *camera, Vector2D planeOffset,
Unit heightOffset, ArrayFunction floorHeightFunc,
ArrayFunction ceilingHeightFunc)
ArrayFunction ceilingHeightFunc, int8_t computeHeight)
{
// TODO: have the cam coll parameters precomputed as macros? => faster
@ -1017,6 +1017,7 @@ void moveCameraWithCollision(Camera *camera, Vector2D planeOffset,
// checks a single square for collision against the camera
#define collCheck(dir,s1,s2)\
if (computeHeight)\
{\
Unit height = floorHeightFunc(s1,s2);\
if (height > bottomLimit)\
@ -1028,6 +1029,8 @@ void moveCameraWithCollision(Camera *camera, Vector2D planeOffset,
dir##Collides = true;\
}\
}\
else\
dir##Collides = floorHeightFunc(s1,s2) > CAMERA_COLL_STEP_HEIGHT;
// check a collision against non-diagonal square
#define collCheckOrtho(dir,dir2,s1,s2,x)\
@ -1083,7 +1086,7 @@ void moveCameraWithCollision(Camera *camera, Vector2D planeOffset,
camera->position.y = cornerNew.y - yDir * CAMERA_COLL_RADIUS;
}
if (movesInPlane || heightOffset != 0)
if (computeHeight && (movesInPlane || heightOffset != 0))
{
camera->height += heightOffset;