From cdda4c4182c9ee068567529715e4a5c68a8efb58 Mon Sep 17 00:00:00 2001 From: bonmas14 Date: Sat, 20 Sep 2025 22:28:15 +0300 Subject: Init commit v1.0 --- .../examples/models/models_rlgl_solar_system.c | 172 +++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 deps/raylib/examples/models/models_rlgl_solar_system.c (limited to 'deps/raylib/examples/models/models_rlgl_solar_system.c') diff --git a/deps/raylib/examples/models/models_rlgl_solar_system.c b/deps/raylib/examples/models/models_rlgl_solar_system.c new file mode 100644 index 0000000..7b35263 --- /dev/null +++ b/deps/raylib/examples/models/models_rlgl_solar_system.c @@ -0,0 +1,172 @@ +/******************************************************************************************* +* +* raylib [models] example - rlgl module usage with push/pop matrix transformations +* +* NOTE: This example uses [rlgl] module functionality (pseudo-OpenGL 1.1 style coding) +* +* Example originally created with raylib 2.5, last time updated with raylib 4.0 +* +* 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) 2018-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" +#include "rlgl.h" + +#include // Required for: cosf(), sinf() + +//------------------------------------------------------------------------------------ +// Module Functions Declaration +//------------------------------------------------------------------------------------ +void DrawSphereBasic(Color color); // Draw sphere without any matrix transformation + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + const float sunRadius = 4.0f; + const float earthRadius = 0.6f; + const float earthOrbitRadius = 8.0f; + const float moonRadius = 0.16f; + const float moonOrbitRadius = 1.5f; + + InitWindow(screenWidth, screenHeight, "raylib [models] example - rlgl module usage with push/pop matrix transformations"); + + // Define the camera to look into our 3d world + Camera camera = { 0 }; + camera.position = (Vector3){ 16.0f, 16.0f, 16.0f }; // 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 projection type + + float rotationSpeed = 0.2f; // General system rotation speed + + float earthRotation = 0.0f; // Rotation of earth around itself (days) in degrees + float earthOrbitRotation = 0.0f; // Rotation of earth around the Sun (years) in degrees + float moonRotation = 0.0f; // Rotation of moon around itself + float moonOrbitRotation = 0.0f; // Rotation of moon around earth in degrees + + 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, CAMERA_ORBITAL); + + earthRotation += (5.0f*rotationSpeed); + earthOrbitRotation += (365/360.0f*(5.0f*rotationSpeed)*rotationSpeed); + moonRotation += (2.0f*rotationSpeed); + moonOrbitRotation += (8.0f*rotationSpeed); + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + BeginMode3D(camera); + + rlPushMatrix(); + rlScalef(sunRadius, sunRadius, sunRadius); // Scale Sun + DrawSphereBasic(GOLD); // Draw the Sun + rlPopMatrix(); + + rlPushMatrix(); + rlRotatef(earthOrbitRotation, 0.0f, 1.0f, 0.0f); // Rotation for Earth orbit around Sun + rlTranslatef(earthOrbitRadius, 0.0f, 0.0f); // Translation for Earth orbit + + rlPushMatrix(); + rlRotatef(earthRotation, 0.25, 1.0, 0.0); // Rotation for Earth itself + rlScalef(earthRadius, earthRadius, earthRadius);// Scale Earth + + DrawSphereBasic(BLUE); // Draw the Earth + rlPopMatrix(); + + rlRotatef(moonOrbitRotation, 0.0f, 1.0f, 0.0f); // Rotation for Moon orbit around Earth + rlTranslatef(moonOrbitRadius, 0.0f, 0.0f); // Translation for Moon orbit + rlRotatef(moonRotation, 0.0f, 1.0f, 0.0f); // Rotation for Moon itself + rlScalef(moonRadius, moonRadius, moonRadius); // Scale Moon + + DrawSphereBasic(LIGHTGRAY); // Draw the Moon + rlPopMatrix(); + + // Some reference elements (not affected by previous matrix transformations) + DrawCircle3D((Vector3){ 0.0f, 0.0f, 0.0f }, earthOrbitRadius, (Vector3){ 1, 0, 0 }, 90.0f, Fade(RED, 0.5f)); + DrawGrid(20, 1.0f); + + EndMode3D(); + + DrawText("EARTH ORBITING AROUND THE SUN!", 400, 10, 20, MAROON); + DrawFPS(10, 10); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} + +//-------------------------------------------------------------------------------------------- +// Module Functions Definitions (local) +//-------------------------------------------------------------------------------------------- + +// Draw sphere without any matrix transformation +// NOTE: Sphere is drawn in world position ( 0, 0, 0 ) with radius 1.0f +void DrawSphereBasic(Color color) +{ + int rings = 16; + int slices = 16; + + // Make sure there is enough space in the internal render batch + // buffer to store all required vertex, batch is reseted if required + rlCheckRenderBatchLimit((rings + 2)*slices*6); + + rlBegin(RL_TRIANGLES); + rlColor4ub(color.r, color.g, color.b, color.a); + + for (int i = 0; i < (rings + 2); i++) + { + for (int j = 0; j < slices; j++) + { + rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*i))*sinf(DEG2RAD*(j*360/slices)), + sinf(DEG2RAD*(270+(180/(rings + 1))*i)), + cosf(DEG2RAD*(270+(180/(rings + 1))*i))*cosf(DEG2RAD*(j*360/slices))); + rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*((j+1)*360/slices)), + sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))), + cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*((j+1)*360/slices))); + rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*(j*360/slices)), + sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))), + cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*(j*360/slices))); + + rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*i))*sinf(DEG2RAD*(j*360/slices)), + sinf(DEG2RAD*(270+(180/(rings + 1))*i)), + cosf(DEG2RAD*(270+(180/(rings + 1))*i))*cosf(DEG2RAD*(j*360/slices))); + rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i)))*sinf(DEG2RAD*((j+1)*360/slices)), + sinf(DEG2RAD*(270+(180/(rings + 1))*(i))), + cosf(DEG2RAD*(270+(180/(rings + 1))*(i)))*cosf(DEG2RAD*((j+1)*360/slices))); + rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*((j+1)*360/slices)), + sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))), + cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*((j+1)*360/slices))); + } + } + rlEnd(); +} -- cgit v1.2.3-70-g09d2