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Diffstat (limited to 'examples/others/rlgl_oculus_rift.c')
| -rw-r--r-- | examples/others/rlgl_oculus_rift.c | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/examples/others/rlgl_oculus_rift.c b/examples/others/rlgl_oculus_rift.c deleted file mode 100644 index 30ef6f3b..00000000 --- a/examples/others/rlgl_oculus_rift.c +++ /dev/null @@ -1,393 +0,0 @@ -/******************************************************************************************* -* -* raylib [rlgl] example - Oculus minimum sample -* -* NOTE: This example requires OpenGL 3.3 or ES2 versions for shaders support, -* OpenGL 1.1 does not support shaders but it can also be used. -* -* Compile rlgl module using: -* gcc -c rlgl.c -Wall -std=c99 -DRLGL_STANDALONE -DRAYMATH_IMPLEMENTATION -DGRAPHICS_API_OPENGL_33 -DRLGL_OCULUS_SUPPORT -* -* NOTE 1: rlgl module requires the following header-only files: -* external/glad.h - OpenGL extensions loader (stripped to only required extensions) -* shader_standard.h - Standard shader for materials and lighting -* shader_distortion.h - Distortion shader for VR -* raymath.h - Vector and matrix math functions -* -* NOTE 2: rlgl requires LibOVR (Oculus PC SDK) to support Oculus Rift CV1 -* -* Compile example using: -* gcc -o rlgl_oculus_rift.exe rlgl_oculus_rift.c rlgl.o -L. -lLibOVRRT32_1 -lglfw3 -lopengl32 -lgdi32 -std=c99 -* -* NOTE: Example must be linked against LibOVRRT32_1.dll that comes with Oculus Rift runtime. -* -* This example has been created using raylib 1.5 (www.raylib.com) -* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) -* -* Copyright (c) 2015 Ramon Santamaria (@raysan5) -* -********************************************************************************************/ - -#include <stdlib.h> -#include <stdarg.h> -#include <stdio.h> -#include <string.h> -#include <math.h> - -#include <GLFW/glfw3.h> // Windows/Context and inputs management - -#define RLGL_STANDALONE -#include "rlgl.h" // rlgl library: OpenGL 1.1 immediate-mode style coding - -#define RED (Color){ 230, 41, 55, 255 } // Red -#define RAYWHITE (Color){ 245, 245, 245, 255 } // My own White (raylib logo) -#define DARKGRAY (Color){ 80, 80, 80, 255 } // Dark Gray - -//---------------------------------------------------------------------------------- -// Module specific Functions Declaration -//---------------------------------------------------------------------------------- -static void ErrorCallback(int error, const char* description); -static void KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods); - -// Drawing functions (uses rlgl functionality) -static void DrawGrid(int slices, float spacing); -static void DrawCube(Vector3 position, float width, float height, float length, Color color); -static void DrawCubeWires(Vector3 position, float width, float height, float length, Color color); -static void DrawRectangleV(Vector2 position, Vector2 size, Color color); - -//---------------------------------------------------------------------------------- -// Main Entry point -//---------------------------------------------------------------------------------- -int main(void) -{ - // Initialization - //-------------------------------------------------------------------------------------- - int screenWidth = 1080; // Mirror screen width (set to hmdDesc.Resolution.w/2) - int screenHeight = 600; // Mirror screen height (set to hmdDesc.Resolution.h/2) - - // NOTE: Mirror screen size can be set to any desired resolution! - - // GLFW3 Initialization + OpenGL 3.3 Context + Extensions - //-------------------------------------------------------- - glfwSetErrorCallback(ErrorCallback); - - if (!glfwInit()) - { - TraceLog(WARNING, "GLFW3: Can not initialize GLFW"); - return 1; - } - else TraceLog(INFO, "GLFW3: GLFW initialized successfully"); - - glfwWindowHint(GLFW_SAMPLES, 4); - glfwWindowHint(GLFW_DEPTH_BITS, 16); - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); - glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); - glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE); - - GLFWwindow *window = glfwCreateWindow(screenWidth, screenHeight, "rlgl oculus rift", NULL, NULL); - - if (!window) - { - glfwTerminate(); - return 2; - } - else TraceLog(INFO, "GLFW3: Window created successfully"); - - glfwSetKeyCallback(window, KeyCallback); - - glfwMakeContextCurrent(window); - glfwSwapInterval(0); - - // Load OpenGL 3.3 supported extensions - rlglLoadExtensions(glfwGetProcAddress); - //-------------------------------------------------------- - - // Initialize OpenGL context (states and resources) - rlglInit(screenWidth, screenHeight); - - rlClearColor(245, 245, 245, 255); // Define clear color - rlEnableDepthTest(); // Enable DEPTH_TEST for 3D - - // Define custom camera to initialize projection and view matrices - Camera camera; - camera.position = (Vector3){ 5.0f, 5.0f, 5.0f }; // 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 - - // Initialize viewport and internal projection/modelview matrices - rlViewport(0, 0, screenWidth, screenHeight); - rlMatrixMode(RL_PROJECTION); // Switch to PROJECTION matrix - rlLoadIdentity(); // Reset current matrix (PROJECTION) - - // Setup perspective projection - float aspect = (float)screenWidth/(float)screenHeight; - double top = 0.01*tan(camera.fovy*PI/360.0); - double right = top*aspect; - rlFrustum(-right, right, -top, top, 0.01, 1000.0); - - rlMatrixMode(RL_MODELVIEW); // Switch back to MODELVIEW matrix - rlLoadIdentity(); // Reset current matrix (MODELVIEW) - - // Setup Camera view - Matrix cameraView = MatrixLookAt(camera.position, camera.target, camera.up); - rlMultMatrixf(MatrixToFloat(cameraView)); // Multiply MODELVIEW matrix by view matrix (camera) - - InitOculusDevice(); // Initialize Oculus Rift CV1 - - Vector3 cubePosition = { 0.0f, 0.0f, 0.0f }; - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!glfwWindowShouldClose(window)) - { - // Update - //---------------------------------------------------------------------------------- - UpdateOculusTracking(&camera); - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginOculusDrawing(); - - rlClearScreenBuffers(); // Clear current framebuffer(s) - - DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED); - DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, RAYWHITE); - DrawGrid(10, 1.0f); - - // NOTE: Internal buffers drawing (3D data) - rlglDraw(); - - EndOculusDrawing(); - - glfwSwapBuffers(window); - glfwPollEvents(); - //---------------------------------------------------------------------------------- - } - - // De-Initialization - //-------------------------------------------------------------------------------------- - CloseOculusDevice(); // Close Oculus device and clear resources - - rlglClose(); // Unload rlgl internal buffers and default shader/texture - - glfwDestroyWindow(window); // Close window - glfwTerminate(); // Free GLFW3 resources - //-------------------------------------------------------------------------------------- - - return 0; -} - -//---------------------------------------------------------------------------------- -// Module specific Functions Definitions -//---------------------------------------------------------------------------------- - -// GLFW3: Error callback -static void ErrorCallback(int error, const char* description) -{ - TraceLog(ERROR, description); -} - -// GLFW3: Keyboard callback -static void KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods) -{ - if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) - { - glfwSetWindowShouldClose(window, GL_TRUE); - } -} - -// Draw rectangle using rlgl OpenGL 1.1 style coding (translated to OpenGL 3.3 internally) -static void DrawRectangleV(Vector2 position, Vector2 size, Color color) -{ - rlBegin(RL_TRIANGLES); - rlColor4ub(color.r, color.g, color.b, color.a); - - rlVertex2i(position.x, position.y); - rlVertex2i(position.x, position.y + size.y); - rlVertex2i(position.x + size.x, position.y + size.y); - - rlVertex2i(position.x, position.y); - rlVertex2i(position.x + size.x, position.y + size.y); - rlVertex2i(position.x + size.x, position.y); - rlEnd(); -} - -// Draw a grid centered at (0, 0, 0) -static void DrawGrid(int slices, float spacing) -{ - int halfSlices = slices / 2; - - rlBegin(RL_LINES); - for(int i = -halfSlices; i <= halfSlices; i++) - { - if (i == 0) - { - rlColor3f(0.5f, 0.5f, 0.5f); - rlColor3f(0.5f, 0.5f, 0.5f); - rlColor3f(0.5f, 0.5f, 0.5f); - rlColor3f(0.5f, 0.5f, 0.5f); - } - else - { - rlColor3f(0.75f, 0.75f, 0.75f); - rlColor3f(0.75f, 0.75f, 0.75f); - rlColor3f(0.75f, 0.75f, 0.75f); - rlColor3f(0.75f, 0.75f, 0.75f); - } - - rlVertex3f((float)i*spacing, 0.0f, (float)-halfSlices*spacing); - rlVertex3f((float)i*spacing, 0.0f, (float)halfSlices*spacing); - - rlVertex3f((float)-halfSlices*spacing, 0.0f, (float)i*spacing); - rlVertex3f((float)halfSlices*spacing, 0.0f, (float)i*spacing); - } - rlEnd(); -} - -// Draw cube -// NOTE: Cube position is the center position -void DrawCube(Vector3 position, float width, float height, float length, Color color) -{ - float x = 0.0f; - float y = 0.0f; - float z = 0.0f; - - rlPushMatrix(); - - // NOTE: Be careful! Function order matters (rotate -> scale -> translate) - rlTranslatef(position.x, position.y, position.z); - //rlScalef(2.0f, 2.0f, 2.0f); - //rlRotatef(45, 0, 1, 0); - - rlBegin(RL_TRIANGLES); - rlColor4ub(color.r, color.g, color.b, color.a); - - // Front Face ----------------------------------------------------- - rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left - rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right - rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left - - rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right - rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left - rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right - - // Back Face ------------------------------------------------------ - rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Left - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left - rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right - - rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right - rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left - - // Top Face ------------------------------------------------------- - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left - rlVertex3f(x-width/2, y+height/2, z+length/2); // Bottom Left - rlVertex3f(x+width/2, y+height/2, z+length/2); // Bottom Right - - rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left - rlVertex3f(x+width/2, y+height/2, z+length/2); // Bottom Right - - // Bottom Face ---------------------------------------------------- - rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left - rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right - rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left - - rlVertex3f(x+width/2, y-height/2, z-length/2); // Top Right - rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right - rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left - - // Right face ----------------------------------------------------- - rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right - rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right - rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Left - - rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Left - rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right - rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Left - - // Left Face ------------------------------------------------------ - rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Right - rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Right - - rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left - rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left - rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Right - rlEnd(); - rlPopMatrix(); -} - -// Draw cube wires -void DrawCubeWires(Vector3 position, float width, float height, float length, Color color) -{ - float x = 0.0f; - float y = 0.0f; - float z = 0.0f; - - rlPushMatrix(); - - rlTranslatef(position.x, position.y, position.z); - //rlRotatef(45, 0, 1, 0); - - rlBegin(RL_LINES); - rlColor4ub(color.r, color.g, color.b, color.a); - - // Front Face ----------------------------------------------------- - // Bottom Line - rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left - rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right - - // Left Line - rlVertex3f(x+width/2, y-height/2, z+length/2); // Bottom Right - rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right - - // Top Line - rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right - rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left - - // Right Line - rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left - rlVertex3f(x-width/2, y-height/2, z+length/2); // Bottom Left - - // Back Face ------------------------------------------------------ - // Bottom Line - rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Left - rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right - - // Left Line - rlVertex3f(x+width/2, y-height/2, z-length/2); // Bottom Right - rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right - - // Top Line - rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left - - // Right Line - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left - rlVertex3f(x-width/2, y-height/2, z-length/2); // Bottom Left - - // Top Face ------------------------------------------------------- - // Left Line - rlVertex3f(x-width/2, y+height/2, z+length/2); // Top Left Front - rlVertex3f(x-width/2, y+height/2, z-length/2); // Top Left Back - - // Right Line - rlVertex3f(x+width/2, y+height/2, z+length/2); // Top Right Front - rlVertex3f(x+width/2, y+height/2, z-length/2); // Top Right Back - - // Bottom Face --------------------------------------------------- - // Left Line - rlVertex3f(x-width/2, y-height/2, z+length/2); // Top Left Front - rlVertex3f(x-width/2, y-height/2, z-length/2); // Top Left Back - - // Right Line - rlVertex3f(x+width/2, y-height/2, z+length/2); // Top Right Front - rlVertex3f(x+width/2, y-height/2, z-length/2); // Top Right Back - rlEnd(); - rlPopMatrix(); -}
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