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| author | Ray <[email protected]> | 2017-04-09 23:46:47 +0200 |
|---|---|---|
| committer | Ray <[email protected]> | 2017-04-09 23:46:47 +0200 |
| commit | f7bebf9861734c47d0840868f243b186a59a96ba (patch) | |
| tree | f5ca2d320c680ef5926b5455e4498646031cd5ac /docs/examples/web/models_ray_picking.c | |
| parent | 8374460c3986b16c68a6dea0643e9af541987d52 (diff) | |
| download | raylib-f7bebf9861734c47d0840868f243b186a59a96ba.tar.gz raylib-f7bebf9861734c47d0840868f243b186a59a96ba.zip | |
Working on web examples
Reorganizing folders
Review examples
Work on makefile and loader.html
Diffstat (limited to 'docs/examples/web/models_ray_picking.c')
| -rw-r--r-- | docs/examples/web/models_ray_picking.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/docs/examples/web/models_ray_picking.c b/docs/examples/web/models_ray_picking.c deleted file mode 100644 index ba50c570..00000000 --- a/docs/examples/web/models_ray_picking.c +++ /dev/null @@ -1,239 +0,0 @@ -/******************************************************************************************* -* -* raylib [models] example - Ray picking in 3d mode, ground plane, triangle, mesh -* -* 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) -* -********************************************************************************************/ - -#include "raylib.h" -#include "raymath.h" - -#include <stdio.h> -#include <float.h> - -#if defined(PLATFORM_WEB) - #include <emscripten/emscripten.h> -#endif - -//---------------------------------------------------------------------------------- -// Global Variables Definition -//---------------------------------------------------------------------------------- -const int screenWidth = 800; -const int screenHeight = 450; - -Camera camera; - -Vector3 cubePosition = { 0.0f, 1.0f, 0.0f }; -Vector3 cubeSize = { 2.0f, 2.0f, 2.0f }; - -Ray ray; // Picking line ray - -Model tower; -Texture2D texture; - -Vector3 towerPos = { 0.0f, 0.0f, 0.0f }; -BoundingBox towerBBox; -bool hitMeshBBox = false; -bool hitTriangle = false; - -// Test triangle -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 }; - -//---------------------------------------------------------------------------------- -// Module Functions Declaration -//---------------------------------------------------------------------------------- -void UpdateDrawFrame(void); // Update and Draw one frame - -//---------------------------------------------------------------------------------- -// Main Enry Point -//---------------------------------------------------------------------------------- -int main() -{ - // Initialization - //-------------------------------------------------------------------------------------- - int screenWidth = 800; - int screenHeight = 450; - - InitWindow(screenWidth, screenHeight, "raylib [models] example - 3d ray picking"); - - // Define the camera to look into our 3d world - 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.up = (Vector3){ 0.0f, 1.6f, 0.0f }; // Camera up vector (rotation towards target) - camera.fovy = 45.0f; // Camera field-of-view Y - - tower = LoadModel("resources/model/lowpoly-tower.obj"); // Load OBJ model - texture = LoadTexture("resources/model/lowpoly-tower.png"); // Load model texture - tower.material.texDiffuse = texture; // Set model diffuse texture - - towerBBox = CalculateBoundingBox(tower.mesh); - - SetCameraMode(camera, CAMERA_FREE); // Set a free camera mode - - SetTargetFPS(60); // Set our game to run at 60 frames-per-second - //-------------------------------------------------------------------------------------- - -#if defined(PLATFORM_WEB) - emscripten_set_main_loop(UpdateDrawFrame, 0, 1); -#else - SetTargetFPS(60); // Set our game to run at 60 frames-per-second - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - UpdateDrawFrame(); - } -#endif - - // De-Initialization - //-------------------------------------------------------------------------------------- - UnloadModel(tower); // Unload model from GPU - UnloadTexture(texture); // Unload texture from GPU - - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- - - return 0; -} - -//---------------------------------------------------------------------------------- -// Module Functions Definition -//---------------------------------------------------------------------------------- -void UpdateDrawFrame(void) -{ - // Update - //---------------------------------------------------------------------------------- - UpdateCamera(&camera); // Update camera - - // Display information about closest hit - RayHitInfo nearestHit; - char *hitObjectName = "None"; - nearestHit.distance = FLT_MAX; - nearestHit.hit = false; - Color cursorColor = WHITE; - - // 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; - cursorColor = GREEN; - hitObjectName = "Ground"; - } - - // Check ray collision against test triangle - RayHitInfo triHitInfo = GetCollisionRayTriangle(ray, ta, tb, tc); - - if ((triHitInfo.hit) && (triHitInfo.distance < nearestHit.distance)) - { - nearestHit = triHitInfo; - cursorColor = PURPLE; - hitObjectName = "Triangle"; - - bary = Barycenter(nearestHit.hitPosition, ta, tb, tc); - hitTriangle = true; - } - else hitTriangle = false; - - RayHitInfo meshHitInfo; - - // 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); - - if ((meshHitInfo.hit) && (meshHitInfo.distance < nearestHit.distance)) - { - nearestHit = meshHitInfo; - cursorColor = ORANGE; - hitObjectName = "Mesh"; - } - - } hitMeshBBox = false; - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(RAYWHITE); - - Begin3dMode(camera); - - // Draw the tower - DrawModel(tower, towerPos, 1.0, WHITE); - - // Draw the test triangle - DrawLine3D(ta, tb, PURPLE); - DrawLine3D(tb, tc, PURPLE); - DrawLine3D(tc, ta, PURPLE); - - // Draw the mesh bbox if we hit it - if (hitMeshBBox) DrawBoundingBox(towerBBox, LIME); - - // If we hit something, draw the cursor at the hit point - if (nearestHit.hit) - { - DrawCube(nearestHit.hitPosition, 0.5, 0.5, 0.5, cursorColor); - DrawCubeWires(nearestHit.hitPosition, 0.5, 0.5, 0.5, YELLOW); - - Vector3 normalEnd; - normalEnd.x = nearestHit.hitPosition.x + nearestHit.hitNormal.x; - normalEnd.y = nearestHit.hitPosition.y + nearestHit.hitNormal.y; - normalEnd.z = nearestHit.hitPosition.z + nearestHit.hitNormal.z; - - DrawLine3D(nearestHit.hitPosition, normalEnd, YELLOW); - } - - DrawRay(ray, MAROON); - - DrawGrid(100, 1.0f); - - End3dMode(); - - // Draw some debug GUI text - DrawText(FormatText("Hit Object: %s", hitObjectName), 10, 50, 10, BLACK); - - 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.hitPosition.x, - nearestHit.hitPosition.y, - nearestHit.hitPosition.z), 10, ypos + 15, 10, BLACK); - - DrawText(FormatText("Hit Norm: %3.2f %3.2f %3.2f", - nearestHit.hitNormal.x, - nearestHit.hitNormal.y, - nearestHit.hitNormal.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); - - DrawFPS(10, 10); - - EndDrawing(); - //---------------------------------------------------------------------------------- -} |
