chore: clean recommit
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tiger tiger tiger
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122 changed files with 23950 additions and 323 deletions
246
Examples/Models/BoneSocket.cs
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246
Examples/Models/BoneSocket.cs
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/*******************************************************************************************
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*
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* raylib [models] example - bone socket
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*
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* Example complexity rating: [★★★★] 4/4
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*
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* Example originally created with raylib 4.5, last time updated with raylib 4.5
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*
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* Example contributed by iP (@ipzaur) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2024-2025 iP (@ipzaur)
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*
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********************************************************************************************/
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using System.Numerics;
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using static Raylib_cs.Raylib;
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using static Raylib_cs.Raymath;
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namespace Examples.Models;
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public partial class BoneSocket : IExample
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{
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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private const int BoneSockets = 3;
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private const int BoneSocketHat = 0;
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private const int BoneSocketHandR = 1;
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private const int BoneSocketHandL = 2;
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public string Name => "Models / Bone Socket";
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public string Title => "raylib [models] example - bone socket";
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public bool CursorDisabled => true;
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private Camera3D camera;
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private Model characterModel;
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private Model[] equipModel;
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private bool[] showEquip;
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private int animsCount;
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private int animIndex;
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private int animCurrentFrame;
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private unsafe ModelAnimation* modelAnimations;
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private int[] boneSocketIndex;
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private Vector3 position;
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private int angle;
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public unsafe void Init()
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{
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// Define the camera to look into our 3d world
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camera = new();
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camera.Position = new Vector3(5.0f, 5.0f, 5.0f); // Camera position
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camera.Target = new Vector3(0.0f, 2.0f, 0.0f); // Camera looking at point
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camera.Up = new Vector3(0.0f, 1.0f, 0.0f); // Camera up vector (rotation towards target)
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camera.FovY = 45.0f; // Camera field-of-view Y
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camera.Projection = CameraProjection.Perspective; // Camera projection type
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// Load gltf model
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characterModel = LoadModel("resources/models/gltf/greenman.glb"); // Load character model
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equipModel = new Model[BoneSockets]
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{
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LoadModel("resources/models/gltf/greenman_hat.glb"), // Index for the hat model is the same as BONE_SOCKET_HAT
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LoadModel("resources/models/gltf/greenman_sword.glb"), // Index for the sword model is the same as BONE_SOCKET_HAND_R
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LoadModel("resources/models/gltf/greenman_shield.glb") // Index for the shield model is the same as BONE_SOCKET_HAND_L
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};
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showEquip = new bool[3] { true, true, true }; // Toggle on/off equip
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// Load gltf model animations
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animsCount = 0;
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animIndex = 0;
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animCurrentFrame = 0;
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modelAnimations = LoadModelAnimations("resources/models/gltf/greenman.glb", ref animsCount);
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// Indices of bones for sockets
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boneSocketIndex = new int[BoneSockets] { -1, -1, -1 };
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// Search bones for sockets
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for (var i = 0; i < characterModel.Skeleton.BoneCount; i++)
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{
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var boneName = characterModel.Skeleton.Bones[i].NameToString();
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if (boneName == "socket_hat")
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{
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boneSocketIndex[BoneSocketHat] = i;
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continue;
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}
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if (boneName == "socket_hand_R")
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{
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boneSocketIndex[BoneSocketHandR] = i;
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continue;
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}
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if (boneName == "socket_hand_L")
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{
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boneSocketIndex[BoneSocketHandL] = i;
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continue;
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}
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}
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position = new Vector3(0.0f, 0.0f, 0.0f); // Set model position
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angle = 0; // Set angle for rotate character
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}
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public unsafe void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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UpdateCamera(ref camera, CameraMode.ThirdPerson);
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// Rotate character
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if (IsKeyDown(KeyboardKey.F))
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{
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angle = (angle + 1) % 360;
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}
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else if (IsKeyDown(KeyboardKey.H))
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{
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angle = (360 + angle - 1) % 360;
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}
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// Select current animation
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if (IsKeyPressed(KeyboardKey.T))
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{
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animIndex = (animIndex + 1) % animsCount;
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}
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else if (IsKeyPressed(KeyboardKey.G))
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{
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animIndex = (animIndex + animsCount - 1) % animsCount;
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}
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// Toggle shown of equip
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if (IsKeyPressed(KeyboardKey.One))
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{
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showEquip[BoneSocketHat] = !showEquip[BoneSocketHat];
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}
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if (IsKeyPressed(KeyboardKey.Two))
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{
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showEquip[BoneSocketHandR] = !showEquip[BoneSocketHandR];
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}
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if (IsKeyPressed(KeyboardKey.Three))
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{
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showEquip[BoneSocketHandL] = !showEquip[BoneSocketHandL];
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}
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// Update model animation
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var anim = modelAnimations[animIndex];
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animCurrentFrame = (animCurrentFrame + 1) % anim.KeyFrameCount;
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UpdateModelAnimation(characterModel, anim, animCurrentFrame);
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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BeginMode3D(camera);
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// Draw character
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var characterRotate = QuaternionFromAxisAngle(new Vector3(0.0f, 1.0f, 0.0f), angle * DEG2RAD);
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characterModel.Transform = MatrixMultiply(QuaternionToMatrix(characterRotate), MatrixTranslate(position.X, position.Y, position.Z));
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UpdateModelAnimation(characterModel, anim, animCurrentFrame);
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DrawMesh(characterModel.Meshes[0], characterModel.Materials[1], characterModel.Transform);
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// Draw equipments (hat, sword, shield)
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for (var i = 0; i < BoneSockets; i++)
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{
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if (!showEquip[i])
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{
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continue;
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}
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var transform = &anim.KeyframePoses[animCurrentFrame][boneSocketIndex[i]];
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var inRotation = characterModel.Skeleton.BindPose[boneSocketIndex[i]].Rotation;
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var outRotation = transform->Rotation;
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// Calculate socket rotation (angle between bone in initial pose and same bone in current animation frame)
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var rotate = QuaternionMultiply(outRotation, QuaternionInvert(inRotation));
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var matrixTransform = QuaternionToMatrix(rotate);
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// Translate socket to its position in the current animation
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matrixTransform = MatrixMultiply(matrixTransform, MatrixTranslate(transform->Translation.X, transform->Translation.Y, transform->Translation.Z));
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// Transform the socket using the transform of the character (angle and translate)
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matrixTransform = MatrixMultiply(matrixTransform, characterModel.Transform);
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// Draw mesh at socket position with socket angle rotation
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DrawMesh(equipModel[i].Meshes[0], equipModel[i].Materials[1], matrixTransform);
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}
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DrawGrid(10, 1.0f);
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EndMode3D();
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DrawText("Use the T/G to switch animation", 10, 10, 20, Color.Gray);
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DrawText("Use the F/H to rotate character left/right", 10, 35, 20, Color.Gray);
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DrawText("Use the 1,2,3 to toggle shown of hat, sword and shield", 10, 60, 20, Color.Gray);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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public unsafe void Unload()
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{
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UnloadModelAnimations(modelAnimations, animsCount);
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UnloadModel(characterModel); // Unload character model and meshes/material
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// Unload equipment model and meshes/material
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for (var i = 0; i < BoneSockets; i++)
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{
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UnloadModel(equipModel[i]);
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}
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}
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public static int Main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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InitWindow(screenWidth, screenHeight, "raylib [models] example - bone socket");
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DisableCursor(); // Limit cursor to relative movement inside the window
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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var game = new BoneSocket();
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game.Init();
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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game.Update();
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}
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game.Unload();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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}
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