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+/*******************************************************************************************
+*
+* raylib [models] example - Waving cubes
+*
+* Example originally created with raylib 2.5, last time updated with raylib 3.7
+*
+* Example contributed by Codecat (@codecat) and reviewed by Ramon Santamaria (@raysan5)
+*
+* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+* BSD-like license that allows static linking with closed source software
+*
+* Copyright (c) 2019-2024 Codecat (@codecat) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <math.h> // Required for: sinf()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main()
+{
+ // Initialization
+ //--------------------------------------------------------------------------------------
+ const int screenWidth = 800;
+ const int screenHeight = 450;
+
+ InitWindow(screenWidth, screenHeight, "raylib [models] example - waving cubes");
+
+ // Initialize the camera
+ Camera3D camera = { 0 };
+ camera.position = (Vector3){ 30.0f, 20.0f, 30.0f }; // 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 = 70.0f; // Camera field-of-view Y
+ camera.projection = CAMERA_PERSPECTIVE; // Camera projection type
+
+ // Specify the amount of blocks in each direction
+ const int numBlocks = 15;
+
+ SetTargetFPS(60);
+ //--------------------------------------------------------------------------------------
+
+ // Main game loop
+ while (!WindowShouldClose()) // Detect window close button or ESC key
+ {
+ // Update
+ //----------------------------------------------------------------------------------
+ double time = GetTime();
+
+ // Calculate time scale for cube position and size
+ float scale = (2.0f + (float)sin(time))*0.7f;
+
+ // Move camera around the scene
+ double cameraTime = time*0.3;
+ camera.position.x = (float)cos(cameraTime)*40.0f;
+ camera.position.z = (float)sin(cameraTime)*40.0f;
+ //----------------------------------------------------------------------------------
+
+ // Draw
+ //----------------------------------------------------------------------------------
+ BeginDrawing();
+
+ ClearBackground(RAYWHITE);
+
+ BeginMode3D(camera);
+
+ DrawGrid(10, 5.0f);
+
+ for (int x = 0; x < numBlocks; x++)
+ {
+ for (int y = 0; y < numBlocks; y++)
+ {
+ for (int z = 0; z < numBlocks; z++)
+ {
+ // Scale of the blocks depends on x/y/z positions
+ float blockScale = (x + y + z)/30.0f;
+
+ // Scatter makes the waving effect by adding blockScale over time
+ float scatter = sinf(blockScale*20.0f + (float)(time*4.0f));
+
+ // Calculate the cube position
+ Vector3 cubePos = {
+ (float)(x - numBlocks/2)*(scale*3.0f) + scatter,
+ (float)(y - numBlocks/2)*(scale*2.0f) + scatter,
+ (float)(z - numBlocks/2)*(scale*3.0f) + scatter
+ };
+
+ // Pick a color with a hue depending on cube position for the rainbow color effect
+ // NOTE: This function is quite costly to be done per cube and frame,
+ // pre-catching the results into a separate array could improve performance
+ Color cubeColor = ColorFromHSV((float)(((x + y + z)*18)%360), 0.75f, 0.9f);
+
+ // Calculate cube size
+ float cubeSize = (2.4f - scale)*blockScale;
+
+ // And finally, draw the cube!
+ DrawCube(cubePos, cubeSize, cubeSize, cubeSize, cubeColor);
+ }
+ }
+ }
+
+ EndMode3D();
+
+ DrawFPS(10, 10);
+
+ EndDrawing();
+ //----------------------------------------------------------------------------------
+ }
+
+ // De-Initialization
+ //--------------------------------------------------------------------------------------
+ CloseWindow(); // Close window and OpenGL context
+ //--------------------------------------------------------------------------------------
+
+ return 0;
+}