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+/*******************************************************************************************
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+*
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+* raylib [models] example - Waving cubes
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+*
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+* This example has been created using raylib 2.5 (www.raylib.com)
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+* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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+*
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+* Copyright (c) 2019 Ramon Santamaria (@raysan5)
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+*
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+********************************************************************************************/
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+
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+#include "raylib.h"
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+
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+#include <math.h>
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+
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+int main()
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+{
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+ // Initialization
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+ //--------------------------------------------------------------------------------------
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+ const int screenWidth = 800;
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+ const int screenHeight = 450;
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+
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+ InitWindow(screenWidth, screenHeight, "raylib [models] example - waving cubes");
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+
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+ // Initialize the camera
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+ Camera3D camera;
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+ camera.position = (Vector3){ 30.0f, 20.0f, 30.0f };
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+ camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
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+ camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
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+ camera.fovy = 70.0f;
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+ camera.type = CAMERA_PERSPECTIVE;
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+
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+ // Specify the amount of blocks in each direction
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+ const int numBlocks = 15;
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+
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+ SetTargetFPS(60);
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+ //--------------------------------------------------------------------------------------
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+
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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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+ // Update
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+ double time = GetTime();
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+
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+ // Calculate time scale for cube position and size
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+ float scale = (2.0f + (float)sin(time)) * 0.7f;
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+
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+ // Move camera around the scene
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+ double cameraTime = time * 0.3;
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+ camera.position.x = (float)cos(cameraTime) * 40.0f;
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+ camera.position.z = (float)sin(cameraTime) * 40.0f;
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+
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+ // Draw
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+ //----------------------------------------------------------------------------------
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+ BeginDrawing();
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+
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+ ClearBackground(RAYWHITE);
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+
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+ BeginMode3D(camera);
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+
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+ DrawGrid(10, 5.0f);
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+
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+ for (int x = 0; x < numBlocks; x++) {
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+ for (int y = 0; y < numBlocks; y++) {
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+ for (int z = 0; z < numBlocks; z++) {
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+ // Scale of the blocks depends on x/y/z positions
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+ float blockScale = (x + y + z) / 30.0f;
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+
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+ // Scatter makes the waving effect by adding blockScale over time
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+ float scatter = sinf(blockScale * 20.0f + (float)(time * 4.0f));
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+
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+ // Calculate the cube position
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+ Vector3 cubePos = {
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+ (float)(x - numBlocks / 2) * (scale * 3.0f) + scatter,
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+ (float)(y - numBlocks / 2) * (scale * 2.0f) + scatter,
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+ (float)(z - numBlocks / 2) * (scale * 3.0f) + scatter
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+ };
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+
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+ // Pick a color with a hue depending on cube position for the rainbow color effect
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+ Color cubeColor = ColorFromHSV((Vector3){ (float)(((x + y + z) * 18) % 360), 0.75f, 0.9f });
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+
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+ // Calculate cube size
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+ float cubeSize = (2.4f - scale) * blockScale;
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+
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+ // And finally, draw the cube!
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+ DrawCube(cubePos, cubeSize, cubeSize, cubeSize, cubeColor);
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+ }
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+ }
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+ }
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+
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+ DrawFPS(10, 10);
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+
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+ EndMode3D();
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+
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+ EndDrawing();
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+ //----------------------------------------------------------------------------------
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+ }
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+
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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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+
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+ return 0;
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+}
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