raylib/examples/models/models_animation.c

115 lines
4.6 KiB
C

/*******************************************************************************************
*
* raylib [models] example - Load 3d model with animations and play them
*
* This example has been created using raylib 2.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Example contributed by Culacant (@culacant) and reviewed by Ramon Santamaria (@raysan5)
*
* Copyright (c) 2019 Culacant (@culacant) and Ramon Santamaria (@raysan5)
*
********************************************************************************************
*
* To export a model from blender, make sure it is not posed, the vertices need to be in the
* same position as they would be in edit mode.
* and that the scale of your models is set to 0. Scaling can be done from the export menu.
*
********************************************************************************************/
#include "raylib.h"
#include <stdlib.h>
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [models] example - model animation");
// Define the camera to look into our 3d world
Camera camera = { 0 };
camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
camera.fovy = 45.0f; // Camera field-of-view Y
camera.projection = CAMERA_PERSPECTIVE; // Camera mode type
Model model = LoadModel("resources/guy/guy.iqm"); // Load the animated model mesh and basic data
Texture2D texture = LoadTexture("resources/guy/guytex.png"); // Load model texture and set material
SetMaterialTexture(&model.materials[0], MAP_DIFFUSE, texture); // Set model material map texture
Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position
// Load animation data
int animsCount = 0;
ModelAnimation *anims = LoadModelAnimations("resources/guy/guyanim.iqm", &animsCount);
int animFrameCounter = 0;
SetCameraMode(camera, CAMERA_FREE); // Set free camera mode
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
UpdateCamera(&camera);
// Play animation when spacebar is held down
if (IsKeyDown(KEY_SPACE))
{
animFrameCounter++;
UpdateModelAnimation(model, anims[0], animFrameCounter);
if (animFrameCounter >= anims[0].frameCount) animFrameCounter = 0;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
BeginMode3D(camera);
DrawModelEx(model, position, (Vector3){ 1.0f, 0.0f, 0.0f }, -90.0f, (Vector3){ 1.0f, 1.0f, 1.0f }, WHITE);
for (int i = 0; i < model.boneCount; i++)
{
DrawCube(anims[0].framePoses[animFrameCounter][i].translation, 0.2f, 0.2f, 0.2f, RED);
}
DrawGrid(10, 1.0f); // Draw a grid
EndMode3D();
DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, 10, 20, MAROON);
DrawText("(c) Guy IQM 3D model by @culacant", screenWidth - 200, screenHeight - 20, 10, GRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(texture); // Unload texture
// Unload model animations data
for (int i = 0; i < animsCount; i++) UnloadModelAnimation(anims[i]);
RL_FREE(anims);
UnloadModel(model); // Unload model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}