Working on examples...

examples/textures/textures_formats_loading.c

@@ -1,244 +0,0 @@
-/*******************************************************************************************
-*
-*   raylib [textures] example - texture formats loading (compressed and uncompressed)
-*
-*   NOTE: This example requires raylib OpenGL 3.3+ or ES2 versions for compressed textures,
-*         OpenGL 1.1 does not support compressed textures, only uncompressed ones.
-*
-*   This example has been created using raylib 1.3 (www.raylib.com)
-*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
-*
-*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-#define NUM_TEXTURES    24
-
-typedef enum { 
-    PNG_R8G8B8A8 = 0, 
-    PVR_GRAYSCALE, 
-    PVR_GRAY_ALPHA, 
-    PVR_R5G6B5, 
-    PVR_R5G5B5A1, 
-    PVR_R4G4B4A4,
-    DDS_R5G6B5,
-    DDS_R5G5B5A1,
-    DDS_R4G4B4A4,
-    DDS_R8G8B8A8,
-    DDS_DXT1_RGB,
-    DDS_DXT1_RGBA,
-    DDS_DXT3_RGBA,
-    DDS_DXT5_RGBA,
-    PKM_ETC1_RGB,
-    PKM_ETC2_RGB,
-    PKM_ETC2_EAC_RGBA,
-    KTX_ETC1_RGB,
-    KTX_ETC2_RGB,
-    KTX_ETC2_EAC_RGBA,
-    ASTC_4x4_LDR,
-    ASTC_8x8_LDR,
-    PVR_PVRT_RGB,
-    PVR_PVRT_RGBA
-    
-} TextureFormats;
-
-static const char *formatText[] = {
-    "PNG_R8G8B8A8",
-    "PVR_GRAYSCALE",
-    "PVR_GRAY_ALPHA",
-    "PVR_R5G6B5",
-    "PVR_R5G5B5A1",
-    "PVR_R4G4B4A4",
-    "DDS_R5G6B5",
-    "DDS_R5G5B5A1",
-    "DDS_R4G4B4A4",
-    "DDS_R8G8B8A8",
-    "DDS_DXT1_RGB",
-    "DDS_DXT1_RGBA",
-    "DDS_DXT3_RGBA",
-    "DDS_DXT5_RGBA",
-    "PKM_ETC1_RGB",
-    "PKM_ETC2_RGB",
-    "PKM_ETC2_EAC_RGBA",
-    "KTX_ETC1_RGB",
-    "KTX_ETC2_RGB",
-    "KTX_ETC2_EAC_RGBA",
-    "ASTC_4x4_LDR",
-    "ASTC_8x8_LDR",
-    "PVR_PVRT_RGB",
-    "PVR_PVRT_RGBA"
-};
-
-int main()
-{
-    // Initialization
-    //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
-
-    InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture formats loading");
-    
-    // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
-    
-    Texture2D sonic[NUM_TEXTURES];
-
-    sonic[PNG_R8G8B8A8] = LoadTexture("resources/texture_formats/sonic.png");
-    
-    // Load UNCOMPRESSED PVR texture data
-    sonic[PVR_GRAYSCALE] = LoadTexture("resources/texture_formats/sonic_GRAYSCALE.pvr");
-    sonic[PVR_GRAY_ALPHA] = LoadTexture("resources/texture_formats/sonic_L8A8.pvr");
-    sonic[PVR_R5G6B5] = LoadTexture("resources/texture_formats/sonic_R5G6B5.pvr");
-    sonic[PVR_R5G5B5A1] = LoadTexture("resources/texture_formats/sonic_R5G5B5A1.pvr");
-    sonic[PVR_R4G4B4A4] = LoadTexture("resources/texture_formats/sonic_R4G4B4A4.pvr");
-    
-    // Load UNCOMPRESSED DDS texture data
-    sonic[DDS_R5G6B5] = LoadTexture("resources/texture_formats/sonic_R5G6B5.dds");
-    sonic[DDS_R5G5B5A1] = LoadTexture("resources/texture_formats/sonic_A1R5G5B5.dds");
-    sonic[DDS_R4G4B4A4] = LoadTexture("resources/texture_formats/sonic_A4R4G4B4.dds");
-    sonic[DDS_R8G8B8A8] = LoadTexture("resources/texture_formats/sonic_A8R8G8B8.dds");
-   
-    // Load COMPRESSED DXT DDS texture data (if supported)
-    sonic[DDS_DXT1_RGB] = LoadTexture("resources/texture_formats/sonic_DXT1_RGB.dds");
-    sonic[DDS_DXT1_RGBA] = LoadTexture("resources/texture_formats/sonic_DXT1_RGBA.dds");
-    sonic[DDS_DXT3_RGBA] = LoadTexture("resources/texture_formats/sonic_DXT3_RGBA.dds");
-    sonic[DDS_DXT5_RGBA] = LoadTexture("resources/texture_formats/sonic_DXT5_RGBA.dds");
-    
-    // Load COMPRESSED ETC texture data (if supported)
-    sonic[PKM_ETC1_RGB] = LoadTexture("resources/texture_formats/sonic_ETC1_RGB.pkm");
-    sonic[PKM_ETC2_RGB] = LoadTexture("resources/texture_formats/sonic_ETC2_RGB.pkm");
-    sonic[PKM_ETC2_EAC_RGBA] = LoadTexture("resources/texture_formats/sonic_ETC2_EAC_RGBA.pkm");
-    
-    sonic[KTX_ETC1_RGB] = LoadTexture("resources/texture_formats/sonic_ETC1_RGB.ktx");
-    sonic[KTX_ETC2_RGB] = LoadTexture("resources/texture_formats/sonic_ETC2_RGB.ktx");
-    sonic[KTX_ETC2_EAC_RGBA] = LoadTexture("resources/texture_formats/sonic_ETC2_EAC_RGBA.ktx");
-    
-    // Load COMPRESSED ASTC texture data (if supported)
-    sonic[ASTC_4x4_LDR] = LoadTexture("resources/texture_formats/sonic_ASTC_4x4_ldr.astc");
-    sonic[ASTC_8x8_LDR] = LoadTexture("resources/texture_formats/sonic_ASTC_8x8_ldr.astc");
-
-    // Load COMPRESSED PVR texture data (if supported)
-    sonic[PVR_PVRT_RGB] = LoadTexture("resources/texture_formats/sonic_PVRT_RGB.pvr");
-    sonic[PVR_PVRT_RGBA] = LoadTexture("resources/texture_formats/sonic_PVRT_RGBA.pvr");
-    
-    int selectedFormat = PNG_R8G8B8A8;
-    
-    Rectangle selectRecs[NUM_TEXTURES];
-    
-    for (int i = 0; i < NUM_TEXTURES; i++)
-    {
-        if (i < NUM_TEXTURES/2) selectRecs[i] = (Rectangle){ 40, 30 + 32*i, 150, 30 };
-        else selectRecs[i] = (Rectangle){ 40 + 152, 30 + 32*(i - NUM_TEXTURES/2), 150, 30 };
-    }
-    
-    // Texture sizes in KB
-    float textureSizes[NUM_TEXTURES] = { 
-        512*512*32/8/1024,      //PNG_R8G8B8A8 (32 bpp)
-        512*512*8/8/1024,       //PVR_GRAYSCALE (8 bpp)
-        512*512*16/8/1024,      //PVR_GRAY_ALPHA (16 bpp) 
-        512*512*16/8/1024,      //PVR_R5G6B5 (16 bpp)
-        512*512*16/8/1024,      //PVR_R5G5B5A1 (16 bpp) 
-        512*512*16/8/1024,      //PVR_R4G4B4A4 (16 bpp)
-        512*512*16/8/1024,      //DDS_R5G6B5 (16 bpp)
-        512*512*16/8/1024,      //DDS_R5G5B5A1 (16 bpp)
-        512*512*16/8/1024,      //DDS_R4G4B4A4 (16 bpp)
-        512*512*32/8/1024,      //DDS_R8G8B8A8 (32 bpp)
-        512*512*4/8/1024,       //DDS_DXT1_RGB (4 bpp) -Compressed-
-        512*512*4/8/1024,       //DDS_DXT1_RGBA (4 bpp) -Compressed-
-        512*512*8/8/1024,       //DDS_DXT3_RGBA (8 bpp) -Compressed-
-        512*512*8/8/1024,       //DDS_DXT5_RGBA (8 bpp) -Compressed-
-        512*512*4/8/1024,       //PKM_ETC1_RGB (4 bpp) -Compressed-
-        512*512*4/8/1024,       //PKM_ETC2_RGB (4 bpp) -Compressed-
-        512*512*8/8/1024,       //PKM_ETC2_EAC_RGBA (8 bpp) -Compressed-
-        512*512*4/8/1024,       //KTX_ETC1_RGB (4 bpp) -Compressed-
-        512*512*4/8/1024,       //KTX_ETC2_RGB (4 bpp) -Compressed-
-        512*512*8/8/1024,       //KTX_ETC2_EAC_RGBA (8 bpp) -Compressed-
-        512*512*8/8/1024,       //ASTC_4x4_LDR (8 bpp) -Compressed-
-        512*512*2/8/1024,       //ASTC_8x8_LDR (2 bpp) -Compressed-
-        512*512*4/8/1024,       //PVR_PVRT_RGB (4 bpp) -Compressed-
-        512*512*4/8/1024,       //PVR_PVRT_RGBA (4 bpp) -Compressed-
-    };
-
-    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
-        //----------------------------------------------------------------------------------
-        if (IsKeyPressed(KEY_DOWN))
-        {
-            selectedFormat++;
-            if (selectedFormat >= NUM_TEXTURES) selectedFormat = 0;
-        }
-        else if (IsKeyPressed(KEY_UP))
-        {
-            selectedFormat--;
-            if (selectedFormat < 0) selectedFormat = NUM_TEXTURES - 1;
-        }
-        else if (IsKeyPressed(KEY_RIGHT))
-        {
-            if (selectedFormat < NUM_TEXTURES/2) selectedFormat += NUM_TEXTURES/2;
-        }
-        else if (IsKeyPressed(KEY_LEFT))
-        {
-            if (selectedFormat >= NUM_TEXTURES/2) selectedFormat -= NUM_TEXTURES/2;
-        }
-        //----------------------------------------------------------------------------------
-
-        // Draw
-        //----------------------------------------------------------------------------------
-
-        BeginDrawing();
-
-            ClearBackground(RAYWHITE);
-            
-            // Draw rectangles
-            for (int i = 0; i < NUM_TEXTURES; i++)
-            {
-                if (i == selectedFormat)
-                {
-                    DrawRectangleRec(selectRecs[i], SKYBLUE);
-                    DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, BLUE);
-                    DrawText(formatText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(formatText[i], 10)/2, selectRecs[i].y + 11, 10, DARKBLUE);
-                }
-                else
-                {
-                    DrawRectangleRec(selectRecs[i], LIGHTGRAY);
-                    DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, GRAY);
-                    DrawText(formatText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(formatText[i], 10)/2, selectRecs[i].y + 11, 10, DARKGRAY);
-                }
-            }
-			
-            // Draw selected texture
-            if (sonic[selectedFormat].id != 0)
-            {
-                DrawTexture(sonic[selectedFormat], 350, -10, WHITE);
-            }
-            else 
-            {
-                DrawRectangleLines(488, 165, 200, 110, DARKGRAY);
-                DrawText("FORMAT", 550, 180, 20, MAROON);
-                DrawText("NOT SUPPORTED", 500, 210, 20, MAROON);
-                DrawText("ON YOUR GPU", 520, 240, 20, MAROON);
-            }
-            
-            DrawText("Select texture format (use cursor keys):", 40, 10, 10, DARKGRAY);
-            DrawText("Required GPU memory size (VRAM):", 40, 427, 10, DARKGRAY);
-            DrawText(FormatText("%4.0f KB", textureSizes[selectedFormat]), 240, 420, 20, DARKBLUE);
-            
-        EndDrawing();
-        //----------------------------------------------------------------------------------
-    }
-
-    // De-Initialization
-    //--------------------------------------------------------------------------------------
-    for (int i = 0; i < NUM_TEXTURES; i++) UnloadTexture(sonic[i]);
-
-    CloseWindow();                  // Close window and OpenGL context
-    //--------------------------------------------------------------------------------------
-
-    return 0;
-}

examples/textures/textures_particles_trail_blending.c

@@ -1,135 +0,0 @@
-/*******************************************************************************************
-*
-*   raylib example - particles trail blending
-*
-*   This example has been created using raylib 1.3 (www.raylib.com)
-*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
-*
-*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-#define MAX_PARTICLES 200
-
-// Particle structure with basic data
-typedef struct {
-    Vector2 position;
-    Color color;
-    float alpha;
-    float size;
-    float rotation;
-    bool active;        // NOTE: Use it to activate/deactive particle
-} Particle;
-
-int main()
-{
-    // Initialization
-    //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
-
-    InitWindow(screenWidth, screenHeight, "raylib [textures] example - particles trail blending");
-    
-    // Particles pool, reuse them!
-    Particle mouseTail[MAX_PARTICLES]; 
-    
-    // Initialize particles
-    for (int i = 0; i < MAX_PARTICLES; i++)
-    {
-        mouseTail[i].position = (Vector2){ 0, 0 };
-        mouseTail[i].color = (Color){ GetRandomValue(0, 255), GetRandomValue(0, 255), GetRandomValue(0, 255), 255 };
-        mouseTail[i].alpha = 1.0f;
-        mouseTail[i].size = (float)GetRandomValue(1, 30)/20.0f;
-        mouseTail[i].rotation = GetRandomValue(0, 360);
-        mouseTail[i].active = false;
-    }
-    
-    float gravity = 3.0f;
-
-    Texture2D smoke = LoadTexture("resources/smoke.png");
-    
-    int blending = BLEND_ALPHA;
-    
-    SetTargetFPS(60);
-    //--------------------------------------------------------------------------------------
-
-    // Main game loop
-    while (!WindowShouldClose())    // Detect window close button or ESC key
-    {
-        // Update
-        //----------------------------------------------------------------------------------
-        
-        // Activate one particle every frame and Update active particles
-        // NOTE: Particles initial position should be mouse position when activated
-        // NOTE: Particles fall down with gravity and rotation... and disappear after 2 seconds (alpha = 0)
-        // NOTE: When a particle disappears, active = false and it can be reused.
-        for (int i = 0; i < MAX_PARTICLES; i++)
-        {
-            if (!mouseTail[i].active)
-            {
-                mouseTail[i].active = true;
-                mouseTail[i].alpha = 1.0f;
-                mouseTail[i].position = GetMousePosition();
-                i = MAX_PARTICLES;
-            }
-        }
-
-        for (int i = 0; i < MAX_PARTICLES; i++)
-        {
-            if (mouseTail[i].active)
-            {
-                mouseTail[i].position.y += gravity;
-                mouseTail[i].alpha -= 0.01f;
-                
-                if (mouseTail[i].alpha <= 0.0f) mouseTail[i].active = false;
-                
-                mouseTail[i].rotation += 5.0f;
-            }
-        }
-        
-        if (IsKeyPressed(KEY_SPACE))
-        {
-            if (blending == BLEND_ALPHA) blending = BLEND_ADDITIVE;
-            else blending = BLEND_ALPHA;
-        }
-        //----------------------------------------------------------------------------------
-
-        // Draw
-        //----------------------------------------------------------------------------------
-        BeginDrawing();
-
-            ClearBackground(DARKGRAY);
-            
-            BeginBlendMode(blending);
-
-                // Draw active particles
-                for (int i = 0; i < MAX_PARTICLES; i++)
-                {
-                    if (mouseTail[i].active) DrawTexturePro(smoke, (Rectangle){ 0, 0, smoke.width, smoke.height }, 
-                                                           (Rectangle){ mouseTail[i].position.x, mouseTail[i].position.y, smoke.width*mouseTail[i].size, smoke.height*mouseTail[i].size },
-                                                           (Vector2){ smoke.width*mouseTail[i].size/2, smoke.height*mouseTail[i].size/2 }, mouseTail[i].rotation,
-                                                           Fade(mouseTail[i].color, mouseTail[i].alpha));
-                }
-            
-            EndBlendMode();
-            
-            DrawText("PRESS SPACE to CHANGE BLENDING MODE", 180, 20, 20, BLACK);
-            
-            if (blending == BLEND_ALPHA) DrawText("ALPHA BLENDING", 290, screenHeight - 40, 20, BLACK);
-            else DrawText("ADDITIVE BLENDING", 280, screenHeight - 40, 20, RAYWHITE);
-            
-        EndDrawing();
-        //----------------------------------------------------------------------------------
-    }
-
-    // De-Initialization
-    //--------------------------------------------------------------------------------------
-    UnloadTexture(smoke);
-    
-    CloseWindow();        // Close window and OpenGL context
-    //--------------------------------------------------------------------------------------
-
-    return 0;
-}