diff options
Diffstat (limited to 'examples/models/models_mesh_picking.c')
| -rw-r--r-- | examples/models/models_mesh_picking.c | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/examples/models/models_mesh_picking.c b/examples/models/models_mesh_picking.c index 9b12e98c..0bf95dd1 100644 --- a/examples/models/models_mesh_picking.c +++ b/examples/models/models_mesh_picking.c @@ -5,8 +5,9 @@ * This example has been created using raylib 1.7 (www.raylib.com) * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) * -* Copyright (c) 2015 Ramon Santamaria (@raysan5) -* Example contributed by Joel Davis (@joeld42) +* Example contributed by Joel Davis (@joeld42) and reviewed by Ramon Santamaria (@raysan5) +* +* Copyright (c) 2017 Joel Davis (@joeld42) and Ramon Santamaria (@raysan5) * ********************************************************************************************/ @@ -15,40 +16,40 @@ #define FLT_MAX 340282346638528859811704183484516925440.0f // Maximum value of a float, from bit pattern 01111111011111111111111111111111 -int main() +int main(void) { // Initialization //-------------------------------------------------------------------------------------- - int screenWidth = 800; - int screenHeight = 450; + const int screenWidth = 800; + const int screenHeight = 450; InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh picking"); // Define the camera to look into our 3d world Camera camera = { 0 }; - camera.position = (Vector3){ 20.0f, 20.0f, 20.0f }; // Camera position + 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 = { 0 }; // Picking ray - + Model tower = LoadModel("resources/models/turret.obj"); // Load OBJ model Texture2D texture = LoadTexture("resources/models/turret_diffuse.png"); // Load model texture - tower.material.maps[MAP_DIFFUSE].texture = texture; // Set model diffuse 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 = MeshBoundingBox(tower.mesh); // Get mesh bounding box + BoundingBox towerBBox = MeshBoundingBox(tower.meshes[0]); // Get mesh bounding box bool hitMeshBBox = false; bool hitTriangle = false; // Test triangle - Vector3 ta = (Vector3){ -25.0, 0.5, 0.0 }; + Vector3 ta = (Vector3){ -25.0, 0.5, 0.0 }; Vector3 tb = (Vector3){ -4.0, 2.5, 1.0 }; Vector3 tc = (Vector3){ -8.0, 6.5, 0.0 }; - Vector3 bary = { 0.0f, 0.0f, 0.0f }; + Vector3 bary = { 0.0f, 0.0f, 0.0f }; SetCameraMode(camera, CAMERA_FREE); // Set a free camera mode @@ -60,7 +61,7 @@ int main() // Update //---------------------------------------------------------------------------------- UpdateCamera(&camera); // Update camera - + // Display information about closest hit RayHitInfo nearestHit = { 0 }; char *hitObjectName = "None"; @@ -70,10 +71,10 @@ int main() // Get ray and test against ground, triangle, and mesh ray = GetMouseRay(GetMousePosition(), camera); - + // Check ray collision aginst ground plane RayHitInfo groundHitInfo = GetCollisionRayGround(ray, 0.0f); - + if ((groundHitInfo.hit) && (groundHitInfo.distance < nearestHit.distance)) { nearestHit = groundHitInfo; @@ -83,8 +84,8 @@ int main() // Check ray collision against test triangle RayHitInfo triHitInfo = GetCollisionRayTriangle(ray, ta, tb, tc); - - if ((triHitInfo.hit) && (triHitInfo.distance < nearestHit.distance)) + + if ((triHitInfo.hit) && (triHitInfo.distance < nearestHit.distance)) { nearestHit = triHitInfo; cursorColor = PURPLE; @@ -92,32 +93,31 @@ int main() bary = Vector3Barycenter(nearestHit.position, ta, tb, tc); hitTriangle = true; - } + } else hitTriangle = false; RayHitInfo meshHitInfo = { 0 }; // Check ray collision against bounding box first, before trying the full ray-mesh test - if (CheckCollisionRayBox(ray, towerBBox)) + if (CheckCollisionRayBox(ray, towerBBox)) { hitMeshBBox = true; - + // Check ray collision against model // NOTE: It considers model.transform matrix! - meshHitInfo = GetCollisionRayModel(ray, &tower); - - if ((meshHitInfo.hit) && (meshHitInfo.distance < nearestHit.distance)) + meshHitInfo = GetCollisionRayModel(ray, &tower); + + if ((meshHitInfo.hit) && (meshHitInfo.distance < nearestHit.distance)) { nearestHit = meshHitInfo; cursorColor = ORANGE; hitObjectName = "Mesh"; } - - } - - hitMeshBBox = false; + } + + hitMeshBBox = false; //---------------------------------------------------------------------------------- - + // Draw //---------------------------------------------------------------------------------- BeginDrawing(); @@ -127,10 +127,10 @@ int main() BeginMode3D(camera); // Draw the tower - // WARNING: If scale is different than 1.0f, + // 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); DrawLine3D(tb, tc, PURPLE); @@ -140,7 +140,7 @@ int main() if (hitMeshBBox) DrawBoundingBox(towerBBox, LIME); // If we hit something, draw the cursor at the hit point - if (nearestHit.hit) + if (nearestHit.hit) { DrawCube(nearestHit.position, 0.3, 0.3, 0.3, cursorColor); DrawCubeWires(nearestHit.position, 0.3, 0.3, 0.3, RED); @@ -149,40 +149,40 @@ int main() normalEnd.x = nearestHit.position.x + nearestHit.normal.x; normalEnd.y = nearestHit.position.y + nearestHit.normal.y; normalEnd.z = nearestHit.position.z + nearestHit.normal.z; - + DrawLine3D(nearestHit.position, normalEnd, RED); } DrawRay(ray, MAROON); - + DrawGrid(10, 10.0f); EndMode3D(); - + // Draw some debug GUI text DrawText(FormatText("Hit Object: %s", hitObjectName), 10, 50, 10, BLACK); - if (nearestHit.hit) + if (nearestHit.hit) { int ypos = 70; DrawText(FormatText("Distance: %3.2f", nearestHit.distance), 10, ypos, 10, BLACK); - - DrawText(FormatText("Hit Pos: %3.2f %3.2f %3.2f", - nearestHit.position.x, - nearestHit.position.y, + + DrawText(FormatText("Hit Pos: %3.2f %3.2f %3.2f", + nearestHit.position.x, + nearestHit.position.y, nearestHit.position.z), 10, ypos + 15, 10, BLACK); - - DrawText(FormatText("Hit Norm: %3.2f %3.2f %3.2f", - nearestHit.normal.x, - nearestHit.normal.y, + + DrawText(FormatText("Hit Norm: %3.2f %3.2f %3.2f", + nearestHit.normal.x, + nearestHit.normal.y, nearestHit.normal.z), 10, ypos + 30, 10, BLACK); if (hitTriangle) DrawText(FormatText("Barycenter: %3.2f %3.2f %3.2f", bary.x, bary.y, bary.z), 10, ypos + 45, 10, BLACK); } 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); @@ -195,7 +195,7 @@ int main() //-------------------------------------------------------------------------------------- UnloadModel(tower); // Unload model UnloadTexture(texture); // Unload texture - + CloseWindow(); // Close window and OpenGL context //-------------------------------------------------------------------------------------- |