williamjcm/raycastlib
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Add tests

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This commit is contained in:
Miloslav Číž 2018-09-04 18:55:18 +02:00
parent 1d6041aff9
commit c819d05b56
2 changed files with 30 additions and 34 deletions
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42
raycastlib.h
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@ -72,8 +72,8 @@ typedef uint16_t uint_maybe32_t;
/// Position in 2D space. /// Position in 2D space.
typedef struct typedef struct
{ {
int_maybe32_t y; Unit y;
int_maybe32_t x; Unit x;
} Vector2D; } Vector2D;
typedef struct typedef struct
@ -186,19 +186,20 @@ void render(Camera cam, ArrayFunction arrayFunc, PixelFunction pixelFunc,
#ifdef RAYCASTLIB_PROFILE #ifdef RAYCASTLIB_PROFILE
// function call counters for profiling // function call counters for profiling
uint_maybe32_t profile_sqrtInt = 0; uint32_t profile_sqrtInt = 0;
uint_maybe32_t profile_clamp = 0; uint32_t profile_clamp = 0;
uint_maybe32_t profile_cosInt = 0; uint32_t profile_cosInt = 0;
uint_maybe32_t profile_angleToDirection = 0; uint32_t profile_angleToDirection = 0;
uint_maybe32_t profile_dist = 0; uint32_t profile_dist = 0;
uint_maybe32_t profile_len = 0; uint32_t profile_len = 0;
uint_maybe32_t profile_pointIsLeftOfRay = 0; uint32_t profile_pointIsLeftOfRay = 0;
uint_maybe32_t profile_castRaySquare = 0; uint32_t profile_castRaySquare = 0;
uint_maybe32_t profile_castRayMultiHit = 0; uint32_t profile_castRayMultiHit = 0;
uint_maybe32_t profile_castRay = 0; uint32_t profile_castRay = 0;
uint16_t profile_normalize = 0; uint32_t profile_absVal = 0;
uint16_t profile_vectorsAngleCos = 0; uint32_t profile_normalize = 0;
uint32_t profile_vectorsAngleCos = 0;
uint32_t profile_perspectiveScale = 0;
#define profileCall(c) profile_##c += 1 #define profileCall(c) profile_##c += 1
#define printProfile() {\ #define printProfile() {\
@ -214,7 +215,9 @@ void render(Camera cam, ArrayFunction arrayFunc, PixelFunction pixelFunc,
printf(" castRayMultiHit : %d\n",profile_castRayMultiHit);\ printf(" castRayMultiHit : %d\n",profile_castRayMultiHit);\
printf(" castRay: %d\n",profile_castRay);\ printf(" castRay: %d\n",profile_castRay);\
printf(" normalize: %d\n",profile_normalize);\ printf(" normalize: %d\n",profile_normalize);\
printf(" vectorsAngleCos: %d\n",profile_vectorsAngleCos); } printf(" vectorsAngleCos: %d\n",profile_vectorsAngleCos);\
printf(" absVal: %d\n",profile_absVal);\
printf(" perspectiveScale: %d\n",profile_perspectiveScale); }
#else #else
#define profileCall(c) #define profileCall(c)
#endif #endif
@ -234,6 +237,8 @@ Unit clamp(Unit value, Unit valueMin, Unit valueMax)
inline Unit absVal(Unit value) inline Unit absVal(Unit value)
{ {
profileCall(absVal);
return value < 0 ? -1 * value : value; return value < 0 ? -1 * value : value;
} }
@ -446,6 +451,8 @@ void castRayMultiHit(Ray ray, ArrayFunction arrayFunc, HitResult *hitResults,
no.x = 0; // just to supress a warning no.x = 0; // just to supress a warning
no.y = 0; no.y = 0;
co.x = 0;
co.y = 0;
for (uint16_t i = 0; i < constraints.maxSteps; ++i) for (uint16_t i = 0; i < constraints.maxSteps; ++i)
{ {
@ -537,7 +544,6 @@ void castRaysMultiHit(Camera cam, ArrayFunction arrayFunc,
Unit dY = dir2.y - dir1.y; Unit dY = dir2.y - dir1.y;
HitResult hits[constraints.maxHits]; HitResult hits[constraints.maxHits];
Ray rays[constraints.maxHits];
uint16_t hitCount; uint16_t hitCount;
Ray r; Ray r;
@ -822,6 +828,8 @@ Unit degreesToUnitsAngle(int16_t degrees)
Unit perspectiveScale(Unit originalSize, Unit distance) Unit perspectiveScale(Unit originalSize, Unit distance)
{ {
profileCall(perspectiveScale);
if (distance == 0) if (distance == 0)
return 0; return 0;

22
test.c
View file

@ -10,7 +10,7 @@
#include "raycastlib.h" #include "raycastlib.h"
#include <sys/time.h> #include <sys/time.h>
int16_t testArrayFunc(int16_t x, int16_t y) Unit testArrayFunc(int16_t x, int16_t y)
{ {
if (x > 12 || y > 12) if (x > 12 || y > 12)
return x * y; return x * y;
@ -67,10 +67,10 @@ int testSingleMapping(Unit posX, Unit posY, Unit posZ, uint32_t resX,
c.resolution.x = resX; c.resolution.x = resX;
c.resolution.y = resY; c.resolution.y = resY;
c.position.x = camY; c.position.x = camX;
c.position.y = camY; c.position.y = camY;
c.direction = camDir; c.direction = camDir;
c.height = posZ; c.height = camZ;
c.fovAngle = fov; c.fovAngle = fov;
Vector2D pos; Vector2D pos;
@ -218,24 +218,12 @@ int main()
0, 0,
UNITS_PER_SQUARE / 2, UNITS_PER_SQUARE / 2,
UNITS_PER_SQUARE / 4, UNITS_PER_SQUARE / 4,
1280, // shouldn't be half? 640,
320, 0,
1024 1024
)) ))
return -1; return -1;
for (Unit i = -UNITS_PER_SQUARE; i <= UNITS_PER_SQUARE; i += 64)
{
Unit v = sinInt(i);
logVector2D(angleToDirection(i));
//for (int j = 0; j < (v + UNITS_PER_SQUARE) / 64; ++j)
// printf(".");
//printf("\n");
}
printf("benchmark:\n"); printf("benchmark:\n");
long t; long t;