aboutsummaryrefslogtreecommitdiff
path: root/deps/raylib/examples/models/models_rlgl_solar_system.c
diff options
context:
space:
mode:
authorbonmas14 <bonmas14@gmail.com>2025-09-20 22:28:15 +0300
committerbonmas14 <bonmas14@gmail.com>2025-09-20 22:28:15 +0300
commitcdda4c4182c9ee068567529715e4a5c68a8efb58 (patch)
tree38a63f62a64018a2d35fc33354f8589fd33b7514 /deps/raylib/examples/models/models_rlgl_solar_system.c
downloadc_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.tar.gz
c_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.zip
Init commit v1.0
Diffstat (limited to 'deps/raylib/examples/models/models_rlgl_solar_system.c')
-rw-r--r--deps/raylib/examples/models/models_rlgl_solar_system.c172
1 files changed, 172 insertions, 0 deletions
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 <math.h> // 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();
+}