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Removed function: ResolveCollisionCubicmap()

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Function was inefficient and should be rewritten from scratch, it
probably neither belongs to this module but an example...
This commit is contained in:
raysan5 2016-10-03 13:29:01 +02:00
parent 637d3195ec
commit b082807b0b
2 changed files with 2 additions and 255 deletions
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250
src/models.c
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@ -1548,256 +1548,6 @@ BoundingBox CalculateBoundingBox(Mesh mesh)
return box;
}
// Detect and resolve cubicmap collisions
// NOTE: player position (or camera) is modified inside this function
// TODO: This functions needs to be completely reviewed!
Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition, float radius)
{
#define CUBIC_MAP_HALF_BLOCK_SIZE 0.5
Color *cubicmapPixels = GetImageData(cubicmap);
// Detect the cell where the player is located
Vector3 impactDirection = { 0.0f, 0.0f, 0.0f };
int locationCellX = 0;
int locationCellY = 0;
locationCellX = floor(playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE);
locationCellY = floor(playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE);
if ((locationCellX >= 0) && (locationCellY >= 0) && (locationCellX < cubicmap.width) && (locationCellY < cubicmap.height))
{
// Multiple Axis --------------------------------------------------------------------------------------------
// Axis x-, y-
if ((locationCellX > 0) && (locationCellY > 0))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r != 0) &&
(cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
{
playerPosition->x = locationCellX + mapPosition.x - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
playerPosition->z = locationCellY + mapPosition.z - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
// Axis x-, y+
if ((locationCellX > 0) && (locationCellY < cubicmap.height - 1))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r != 0) &&
(cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))
{
playerPosition->x = locationCellX + mapPosition.x - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
playerPosition->z = locationCellY + mapPosition.z + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
// Axis x+, y-
if ((locationCellX < cubicmap.width - 1) && (locationCellY > 0))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r != 0) &&
(cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
{
playerPosition->x = locationCellX + mapPosition.x + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
playerPosition->z = locationCellY + mapPosition.z - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
// Axis x+, y+
if ((locationCellX < cubicmap.width - 1) && (locationCellY < cubicmap.height - 1))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r != 0) &&
(cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))
{
playerPosition->x = locationCellX + mapPosition.x + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
playerPosition->z = locationCellY + mapPosition.z + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
// Single Axis ---------------------------------------------------------------------------------------------------
// Axis x-
if (locationCellX > 0)
{
if (cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r != 0)
{
if ((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius)
{
playerPosition->x = locationCellX + mapPosition.x - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 1.0f, 0.0f, 0.0f };
}
}
}
// Axis x+
if (locationCellX < cubicmap.width - 1)
{
if (cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r != 0)
{
if ((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius)
{
playerPosition->x = locationCellX + mapPosition.x + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 1.0f, 0.0f, 0.0f };
}
}
}
// Axis y-
if (locationCellY > 0)
{
if (cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r != 0)
{
if ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius)
{
playerPosition->z = locationCellY + mapPosition.z - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 0.0f, 0.0f, 1.0f };
}
}
}
// Axis y+
if (locationCellY < cubicmap.height - 1)
{
if (cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r != 0)
{
if ((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius)
{
playerPosition->z = locationCellY + mapPosition.z + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
impactDirection = (Vector3){ 0.0f, 0.0f, 1.0f };
}
}
}
// Diagonals -------------------------------------------------------------------------------------------------------
// Axis x-, y-
if ((locationCellX > 0) && (locationCellY > 0))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r == 0) &&
(cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX - 1)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX) > ((playerPosition->z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY)) playerPosition->x = locationCellX + mapPosition.x - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
else playerPosition->z = locationCellY + mapPosition.z - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
// Return ricochet
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius/3) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius/3))
{
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
}
// Axis x-, y+
if ((locationCellX > 0) && (locationCellY < cubicmap.height - 1))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX - 1)].r == 0) &&
(cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX - 1)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX) > (1 - ((playerPosition->z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY))) playerPosition->x = locationCellX + mapPosition.x - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
else playerPosition->z = locationCellY + mapPosition.z + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
// Return ricochet
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX < radius/3) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius/3))
{
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
}
// Axis x+, y-
if ((locationCellX < cubicmap.width - 1) && (locationCellY > 0))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r == 0) &&
(cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY - 1)*cubicmap.width + (locationCellX + 1)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX) < (1 - ((playerPosition->z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY))) playerPosition->x = locationCellX + mapPosition.x + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
else playerPosition->z = locationCellY + mapPosition.z - (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
// Return ricochet
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius/3) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY < radius/3))
{
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
}
// Axis x+, y+
if ((locationCellX < cubicmap.width - 1) && (locationCellY < cubicmap.height - 1))
{
if ((cubicmapPixels[locationCellY*cubicmap.width + (locationCellX + 1)].r == 0) &&
(cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX)].r == 0) &&
(cubicmapPixels[(locationCellY + 1)*cubicmap.width + (locationCellX + 1)].r != 0))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius))
{
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX) < ((playerPosition->z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY)) playerPosition->x = locationCellX + mapPosition.x + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
else playerPosition->z = locationCellY + mapPosition.z + (CUBIC_MAP_HALF_BLOCK_SIZE - radius);
// Return ricochet
if (((playerPosition->x - mapPosition.x + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellX > 1 - radius/3) &&
((playerPosition->z - mapPosition.z + CUBIC_MAP_HALF_BLOCK_SIZE) - locationCellY > 1 - radius/3))
{
impactDirection = (Vector3){ 1.0f, 0.0f, 1.0f };
}
}
}
}
}
// Floor collision
if (playerPosition->y <= radius)
{
playerPosition->y = radius + 0.01f;
impactDirection = (Vector3) { impactDirection.x, 1, impactDirection.z};
}
// Roof collision
else if (playerPosition->y >= (1.5f - radius))
{
playerPosition->y = (1.5f - radius) - 0.01f;
impactDirection = (Vector3) { impactDirection.x, 1, impactDirection.z};
}
free(cubicmapPixels);
return impactDirection;
}
//----------------------------------------------------------------------------------
// Module specific Functions Definition
//----------------------------------------------------------------------------------

7
src/raylib.h
View File

@ -839,9 +839,7 @@ RLAPI Model LoadHeightmap(Image heightmap, Vector3 size); // Load a
RLAPI Model LoadCubicmap(Image cubicmap); // Load a map image as a 3d model (cubes based)
RLAPI void UnloadModel(Model model); // Unload 3d model from memory
RLAPI Mesh GenMeshCube(float width, float height, float depth); // Generate mesh: cube
RLAPI Material LoadMaterial(const char *fileName); // Load material data (from file)
RLAPI Material LoadMaterial(const char *fileName); // Load material data (.MTL)
RLAPI Material LoadDefaultMaterial(void); // Load default material (uses default models shader)
RLAPI Material LoadStandardMaterial(void); // Load standard material (uses material attributes and lighting shader)
RLAPI void UnloadMaterial(Material material); // Unload material textures from VRAM
@ -862,8 +860,7 @@ RLAPI bool CheckCollisionBoxSphere(BoundingBox box, Vector3 centerSphere, float
RLAPI bool CheckCollisionRaySphere(Ray ray, Vector3 spherePosition, float sphereRadius); // Detect collision between ray and sphere
RLAPI bool CheckCollisionRaySphereEx(Ray ray, Vector3 spherePosition, float sphereRadius, Vector3 *collisionPoint); // Detect collision between ray and sphere with extended parameters and collision point detection
RLAPI bool CheckCollisionRayBox(Ray ray, BoundingBox box); // Detect collision between ray and box
RLAPI Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition, float radius); // Detect collision of player radius with cubicmap
// NOTE: Return the normal vector of the impacted surface
//------------------------------------------------------------------------------------
// Shaders System Functions (Module: rlgl)
// NOTE: This functions are useless when using OpenGL 1.1