diff options
Diffstat (limited to 'examples/src/models/models_mesh_picking.c')
| -rw-r--r-- | examples/src/models/models_mesh_picking.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/examples/src/models/models_mesh_picking.c b/examples/src/models/models_mesh_picking.c index e150fe9..4202882 100644 --- a/examples/src/models/models_mesh_picking.c +++ b/examples/src/models/models_mesh_picking.c @@ -13,7 +13,7 @@ #include "raylib.h" #include "raymath.h" -#define FLT_MAX 3.40282347E+38F // Maximum value of a float, defined in <float.h> +#define FLT_MAX 340282346638528859811704183484516925440.0f // Maximum value of a float, from bit pattern 01111111011111111111111111111111 int main() { @@ -25,20 +25,21 @@ int main() InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh picking"); // Define the camera to look into our 3d world - Camera camera; - camera.position = (Vector3){ 10.0f, 8.0f, 10.0f }; // Camera position - camera.target = (Vector3){ 0.0f, 2.3f, 0.0f }; // Camera looking at point + Camera camera = { 0 }; + camera.position = (Vector3){ 20.0f, 20.0f, 20.0f }; // Camera position + camera.target = (Vector3){ 0.0f, 8.0f, 0.0f }; // Camera looking at point camera.up = (Vector3){ 0.0f, 1.6f, 0.0f }; // Camera up vector (rotation towards target) camera.fovy = 45.0f; // Camera field-of-view Y + camera.type = CAMERA_PERSPECTIVE; // Camera mode type - Ray ray; // Picking ray + Ray ray = { 0 }; // Picking ray - Model tower = LoadModel("resources/tower.obj"); // Load OBJ model - Texture2D texture = LoadTexture("resources/tower.png"); // Load model texture - tower.material.maps[MAP_DIFFUSE].texture = texture; // Set model diffuse texture + Model tower = LoadModel("resources/models/turret.obj"); // Load OBJ model + Texture2D texture = LoadTexture("resources/models/turret_diffuse.png"); // Load model texture + tower.materials[0].maps[MAP_DIFFUSE].texture = texture; // Set model diffuse texture Vector3 towerPos = { 0.0f, 0.0f, 0.0f }; // Set model position - BoundingBox towerBBox = CalculateBoundingBox(tower.mesh); + BoundingBox towerBBox = MeshBoundingBox(tower.meshes[0]); // Get mesh bounding box bool hitMeshBBox = false; bool hitTriangle = false; @@ -61,7 +62,7 @@ int main() UpdateCamera(&camera); // Update camera // Display information about closest hit - RayHitInfo nearestHit; + RayHitInfo nearestHit = { 0 }; char *hitObjectName = "None"; nearestHit.distance = FLT_MAX; nearestHit.hit = false; @@ -94,15 +95,16 @@ int main() } else hitTriangle = false; - RayHitInfo meshHitInfo; + RayHitInfo meshHitInfo = { 0 }; // Check ray collision against bounding box first, before trying the full ray-mesh test if (CheckCollisionRayBox(ray, towerBBox)) { hitMeshBBox = true; - // Check ray collision against mesh - meshHitInfo = GetCollisionRayMesh(ray, &tower.mesh); + // Check ray collision against model + // NOTE: It considers model.transform matrix! + meshHitInfo = GetCollisionRayModel(ray, &tower); if ((meshHitInfo.hit) && (meshHitInfo.distance < nearestHit.distance)) { @@ -111,7 +113,9 @@ int main() hitObjectName = "Mesh"; } - } hitMeshBBox = false; + } + + hitMeshBBox = false; //---------------------------------------------------------------------------------- // Draw @@ -120,10 +124,12 @@ int main() ClearBackground(RAYWHITE); - Begin3dMode(camera); + BeginMode3D(camera); // Draw the tower - DrawModel(tower, towerPos, 1.0, WHITE); + // WARNING: If scale is different than 1.0f, + // not considered by GetCollisionRayModel() + DrawModel(tower, towerPos, 1.0f, WHITE); // Draw the test triangle DrawLine3D(ta, tb, PURPLE); @@ -149,9 +155,9 @@ int main() DrawRay(ray, MAROON); - DrawGrid(100, 1.0f); + DrawGrid(10, 10.0f); - End3dMode(); + EndMode3D(); // Draw some debug GUI text DrawText(FormatText("Hit Object: %s", hitObjectName), 10, 50, 10, BLACK); @@ -176,6 +182,8 @@ int main() } DrawText("Use Mouse to Move Camera", 10, 430, 10, GRAY); + + DrawText("(c) Turret 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY); DrawFPS(10, 10); |