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author | bonmas14 <bonmas14@gmail.com> | 2025-09-20 22:28:15 +0300 |
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committer | bonmas14 <bonmas14@gmail.com> | 2025-09-20 22:28:15 +0300 |
commit | cdda4c4182c9ee068567529715e4a5c68a8efb58 (patch) | |
tree | 38a63f62a64018a2d35fc33354f8589fd33b7514 /deps/raylib/examples/textures/textures_bunnymark.c | |
download | c_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.tar.gz c_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.zip |
Init commit v1.0
Diffstat (limited to 'deps/raylib/examples/textures/textures_bunnymark.c')
-rw-r--r-- | deps/raylib/examples/textures/textures_bunnymark.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/deps/raylib/examples/textures/textures_bunnymark.c b/deps/raylib/examples/textures/textures_bunnymark.c new file mode 100644 index 0000000..f3ef694 --- /dev/null +++ b/deps/raylib/examples/textures/textures_bunnymark.c @@ -0,0 +1,125 @@ +/******************************************************************************************* +* +* raylib [textures] example - Bunnymark +* +* Example originally created with raylib 1.6, last time updated with raylib 2.5 +* +* 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) 2014-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#include <stdlib.h> // Required for: malloc(), free() + +#define MAX_BUNNIES 50000 // 50K bunnies limit + +// This is the maximum amount of elements (quads) per batch +// NOTE: This value is defined in [rlgl] module and can be changed there +#define MAX_BATCH_ELEMENTS 8192 + +typedef struct Bunny { + Vector2 position; + Vector2 speed; + Color color; +} Bunny; + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - bunnymark"); + + // Load bunny texture + Texture2D texBunny = LoadTexture("resources/wabbit_alpha.png"); + + Bunny *bunnies = (Bunny *)malloc(MAX_BUNNIES*sizeof(Bunny)); // Bunnies array + + int bunniesCount = 0; // Bunnies counter + + 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 (IsMouseButtonDown(MOUSE_BUTTON_LEFT)) + { + // Create more bunnies + for (int i = 0; i < 100; i++) + { + if (bunniesCount < MAX_BUNNIES) + { + bunnies[bunniesCount].position = GetMousePosition(); + bunnies[bunniesCount].speed.x = (float)GetRandomValue(-250, 250)/60.0f; + bunnies[bunniesCount].speed.y = (float)GetRandomValue(-250, 250)/60.0f; + bunnies[bunniesCount].color = (Color){ GetRandomValue(50, 240), + GetRandomValue(80, 240), + GetRandomValue(100, 240), 255 }; + bunniesCount++; + } + } + } + + // Update bunnies + for (int i = 0; i < bunniesCount; i++) + { + bunnies[i].position.x += bunnies[i].speed.x; + bunnies[i].position.y += bunnies[i].speed.y; + + if (((bunnies[i].position.x + texBunny.width/2) > GetScreenWidth()) || + ((bunnies[i].position.x + texBunny.width/2) < 0)) bunnies[i].speed.x *= -1; + if (((bunnies[i].position.y + texBunny.height/2) > GetScreenHeight()) || + ((bunnies[i].position.y + texBunny.height/2 - 40) < 0)) bunnies[i].speed.y *= -1; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + for (int i = 0; i < bunniesCount; i++) + { + // NOTE: When internal batch buffer limit is reached (MAX_BATCH_ELEMENTS), + // a draw call is launched and buffer starts being filled again; + // before issuing a draw call, updated vertex data from internal CPU buffer is send to GPU... + // Process of sending data is costly and it could happen that GPU data has not been completely + // processed for drawing while new data is tried to be sent (updating current in-use buffers) + // it could generates a stall and consequently a frame drop, limiting the number of drawn bunnies + DrawTexture(texBunny, (int)bunnies[i].position.x, (int)bunnies[i].position.y, bunnies[i].color); + } + + DrawRectangle(0, 0, screenWidth, 40, BLACK); + DrawText(TextFormat("bunnies: %i", bunniesCount), 120, 10, 20, GREEN); + DrawText(TextFormat("batched draw calls: %i", 1 + bunniesCount/MAX_BATCH_ELEMENTS), 320, 10, 20, MAROON); + + DrawFPS(10, 10); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + free(bunnies); // Unload bunnies data array + + UnloadTexture(texBunny); // Unload bunny texture + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} |