Create Example_-_Flood_Path_Map.c

Example_-_Flood_Path_Map.c

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+
+#include "raylib.h"
+
+void floodit();
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib example.");
+
+
+
+ 
+     // Create a Image in memory
+    RenderTexture2D target = LoadRenderTexture(32, 32);
+    
+    int sprite[8][8] = {
+    {0,1,0,0,0,0,1,0},
+    {0,0,1,0,0,1,0,0},
+    {0,0,0,2,2,0,0,0},
+    {0,0,1,2,2,1,0,0},
+    {0,1,0,2,2,0,1,0},
+    {0,0,0,1,1,0,0,0},
+    {0,0,2,3,3,2,0,0},
+    {0,0,1,1,1,1,0,0}};
+    // Clear our texture(image) before entering the game loop
+    BeginTextureMode(target);    
+    ClearBackground(BLANK); // Make the entire Sprite Transparent.
+    EndTextureMode(); 
+    // Draw something on it.
+    for (int y=0;y<8;y++)
+    {
+        for (int x=0;x<8; x++)
+        {            
+            // Our sprite color 1
+            if (sprite[y][x]==1)
+            {
+                BeginTextureMode(target);    
+                DrawRectangle(x*4,y*4,4,4,BLUE);
+                EndTextureMode(); 
+            }
+            // Our sprite color 2
+            if (sprite[y][x]==2)
+            {
+                BeginTextureMode(target);    
+                DrawRectangle(x*4,y*4,4,8,LIGHTGRAY);
+                EndTextureMode(); 
+            }            
+            // Our sprite color 12
+            if (sprite[y][x]==12)
+            {
+                BeginTextureMode(target);    
+                DrawRectangle(x*4,y*4,4,8,BLACK);
+                EndTextureMode(); 
+            }            
+
+        }
+    }
+
+    int map[10][10] = {0};
+    map[5][5]=1;
+    // flood map
+    int low = 1;
+    bool end=false;
+    while(end==false){
+        end = true;
+
+        for(int y=0;y<10;y++){
+        for(int x=0;x<10;x++){
+            if(map[x][y]==low){                               
+                if(map[x-1][y]==0){map[x-1][y]=low+1;end = false;}
+                if(map[x+1][y]==0){map[x+1][y]=low+1;end = false;}
+                if(map[x][y-1]==0){map[x][y-1]=low+1;end = false;}
+                if(map[x][y+1]==0){map[x][y+1]=low+1;end = false;}
+            }
+        }        
+        }
+        low++;  
+        
+    }
+    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
+        //----------------------------------------------------------------------------------
+        Vector2 mousePos = GetMousePosition();
+        //----------------------------------------------------------------------------------
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("Simple Floodfill pathmap.", 100, 180, 40, LIGHTGRAY);
+
+            for(int y=0;y<10;y++){
+            for(int x=0;x<10;x++){
+                DrawText(TextFormat("%i",map[x][y]),x*20,y*20,20,BLACK);
+            }}
+
+
+            // NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
+            DrawTexture(target.texture,mousePos.x, mousePos.y, WHITE);
+            
+ 
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadRenderTexture(target);    // Unload render texture    
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+
+
+}