williamjcm/raycastlib
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Fix pokitto bugs

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This commit is contained in:
Miloslav Číž 2018-08-31 16:46:55 +02:00
parent c4d5f80eab
commit 40d80db615
1 changed files with 21 additions and 21 deletions
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42
raycastlib.h
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@ -165,18 +165,18 @@ void render(Camera cam, ArrayFunction arrayFunc, PixelFunc pixelFunc,
#define printProfile() {\
printf("profile:\n");\
printf(" profile_sqrtInt: %d\n",profile_sqrtInt);\
printf(" profile_clamp: %d\n",profile_clamp);\
printf(" profile_cosInt: %d\n",profile_cosInt);\
printf(" profile_angleToDirection: %d\n",profile_angleToDirection);\
printf(" profile_dist: %d\n",profile_dist);\
printf(" profile_len: %d\n",profile_len);\
printf(" profile_pointIsLeftOfRay: %d\n",profile_pointIsLeftOfRay);\
printf(" profile_castRaySquare: %d\n",profile_castRaySquare);\
printf(" profile_castRayMultiHit : %d\n",profile_castRayMultiHit);\
printf(" profile_castRay: %d\n",profile_castRay);\
printf(" profile_normalize: %d\n",profile_normalize);\
printf(" profile_vectorsAngleCos: %d\n",profile_vectorsAngleCos); }
printf(" sqrtInt: %d\n",profile_sqrtInt);\
printf(" clamp: %d\n",profile_clamp);\
printf(" cosInt: %d\n",profile_cosInt);\
printf(" angleToDirection: %d\n",profile_angleToDirection);\
printf(" dist: %d\n",profile_dist);\
printf(" len: %d\n",profile_len);\
printf(" pointIsLeftOfRay: %d\n",profile_pointIsLeftOfRay);\
printf(" castRaySquare: %d\n",profile_castRaySquare);\
printf(" castRayMultiHit : %d\n",profile_castRayMultiHit);\
printf(" castRay: %d\n",profile_castRay);\
printf(" normalize: %d\n",profile_normalize);\
printf(" vectorsAngleCos: %d\n",profile_vectorsAngleCos); }
#else
#define profileCall(c)
#endif
@ -274,7 +274,7 @@ Unit dist(Vector2D p1, Vector2D p2)
dx = dx * dx;
dy = dy * dy;
return sqrtInt(((uint32_t) dx) + ((uint32_t) dy));
return sqrtInt((uint32_t) (dx + dy));
}
Unit len(Vector2D v)
@ -291,8 +291,8 @@ int8_t pointIsLeftOfRay(Vector2D point, Ray ray)
{
profileCall(pointIsLeftOfRay);
int dX = point.x - ray.start.x;
int dY = point.y - ray.start.y;
Unit dX = point.x - ray.start.x;
Unit dY = point.y - ray.start.y;
return (ray.direction.x * dY - ray.direction.y * dX) > 0;
// ^ Z component of cross-product
}
@ -381,16 +381,16 @@ void castRayMultiHit(Ray ray, ArrayFunction arrayFunc, HitResult *hitResults,
*hitResultsLen = 0;
int_fast16_t squareType = arrayFunc(currentSquare.x,currentSquare.y);
int16_t squareType = arrayFunc(currentSquare.x,currentSquare.y);
Vector2D no, co; // next cell offset, collision offset
no.x = 0; // just to supress a warning
no.y = 0;
for (uint_fast16_t i = 0; i < constraints.maxSteps; ++i)
for (uint16_t i = 0; i < constraints.maxSteps; ++i)
{
int_fast16_t currentType = arrayFunc(currentSquare.x,currentSquare.y);
int16_t currentType = arrayFunc(currentSquare.x,currentSquare.y);
if (currentType != squareType)
{
@ -457,7 +457,7 @@ HitResult castRay(Ray ray, ArrayFunction arrayFunc)
void castRaysMultiHit(Camera cam, ArrayFunction arrayFunc, HitFunction hitFunc,
RayConstraints constraints)
{
uint_fast16_t fovHalf = cam.fovAngle / 2;
uint16_t fovHalf = cam.fovAngle / 2;
Vector2D dir1 = angleToDirection(cam.direction - fovHalf);
Vector2D dir2 = angleToDirection(cam.direction + fovHalf);
@ -471,14 +471,14 @@ void castRaysMultiHit(Camera cam, ArrayFunction arrayFunc, HitFunction hitFunc,
Ray r;
r.start = cam.position;
for (uint_fast8_t i = 0; i < cam.resolution.x; ++i)
for (uint8_t i = 0; i < cam.resolution.x; ++i)
{
r.direction.x = dir1.x + (dX * i) / cam.resolution.x;
r.direction.y = dir1.y + (dY * i) / cam.resolution.x;
castRayMultiHit(r,arrayFunc,hits,&hitCount,constraints);
for (uint_fast8_t j = 0; j < hitCount; ++j)
for (uint8_t j = 0; j < hitCount; ++j)
hitFunc(i,hits[j],j,r);
}
}