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@ -18,159 +18,169 @@ |
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#include <stdlib.h> // Required for: malloc() and free() |
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typedef struct ColorRect{ |
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Color c; |
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Rectangle r; |
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typedef struct ColorRect { |
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Color c; |
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Rectangle r; |
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} ColorRect; |
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//------------------------------------------------------------------------------------ |
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// Module functions declaration |
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//------------------------------------------------------------------------------------ |
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static Color GenerateRandomColor(); |
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static ColorRect* GenerateRandomColorRectSequence(float rectCount, float rectWidth, float screenWidth, float screenHeight); |
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static void ShuffleColorRectSequence(ColorRect* rectangles, int rectCount); |
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static void DrawTextCenterKeyHelp(const char* key, const char* text, int posX, int posY, int fontSize, Color color); |
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static ColorRect *GenerateRandomColorRectSequence(float rectCount, float rectWidth, float screenWidth, float screenHeight); |
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static void ShuffleColorRectSequence(ColorRect *rectangles, int rectCount); |
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static void DrawTextCenterKeyHelp(const char *key, const char *text, int posX, int posY, int fontSize, Color color); |
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//------------------------------------------------------------------------------------ |
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// Program main entry point |
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//------------------------------------------------------------------------------------ |
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int main(void) { |
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// Initialization |
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//-------------------------------------------------------------------------------------- |
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const int screenWidth = 800; |
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const int screenHeight = 450; |
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InitWindow(screenWidth, screenHeight, "raylib [core] example - Generates a random sequence"); |
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int rectCount = 20; |
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float rectSize = (float)screenWidth/rectCount; |
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ColorRect* rectangles = GenerateRandomColorRectSequence((float)rectCount, rectSize, (float)screenWidth, 0.75f * screenHeight); |
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SetTargetFPS(60); |
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//-------------------------------------------------------------------------------------- |
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// Main game loop |
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while (!WindowShouldClose()) // Detect window close button or ESC key |
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{ |
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// Update |
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//---------------------------------------------------------------------------------- |
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if(IsKeyPressed(KEY_SPACE)) |
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{ |
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ShuffleColorRectSequence(rectangles, rectCount); |
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} |
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int main(void) |
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{ |
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// Initialization |
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//-------------------------------------------------------------------------------------- |
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const int screenWidth = 800; |
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const int screenHeight = 450; |
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if(IsKeyPressed(KEY_UP)) |
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{ |
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rectCount++; |
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rectSize = (float)screenWidth/rectCount; |
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free(rectangles); |
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rectangles = GenerateRandomColorRectSequence((float)rectCount, rectSize, (float)screenWidth, 0.75f * screenHeight); |
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} |
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InitWindow(screenWidth, screenHeight, "raylib [core] example - Generates a random sequence"); |
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if(IsKeyPressed(KEY_DOWN)) |
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{ |
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if(rectCount >= 4){ |
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rectCount--; |
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rectSize = (float)screenWidth/rectCount; |
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free(rectangles); |
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rectangles = GenerateRandomColorRectSequence((float)rectCount, rectSize, (float)screenWidth, 0.75f * screenHeight); |
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} |
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} |
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int rectCount = 20; |
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float rectSize = (float)screenWidth/rectCount; |
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ColorRect *rectangles = GenerateRandomColorRectSequence((float)rectCount, rectSize, (float)screenWidth, 0.75f*screenHeight); |
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// Draw |
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//---------------------------------------------------------------------------------- |
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BeginDrawing(); |
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SetTargetFPS(60); |
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//-------------------------------------------------------------------------------------- |
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ClearBackground(RAYWHITE); |
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int fontSize = 20; |
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for(int x=0;x<rectCount;x++) |
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// Main game loop |
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while (!WindowShouldClose()) // Detect window close button or ESC key |
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{ |
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DrawRectangleRec(rectangles[x].r, rectangles[x].c); |
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DrawTextCenterKeyHelp("SPACE", "to shuffle the sequence.", 10, screenHeight - 96, fontSize, BLACK); |
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DrawTextCenterKeyHelp("UP", "to add a rectangle and generate a new sequence.", 10, screenHeight - 64, fontSize, BLACK); |
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DrawTextCenterKeyHelp("DOWN", "to remove a rectangle and generate a new sequence.", 10, screenHeight - 32, fontSize, BLACK); |
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// Update |
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//---------------------------------------------------------------------------------- |
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if (IsKeyPressed(KEY_SPACE)) ShuffleColorRectSequence(rectangles, rectCount); |
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if (IsKeyPressed(KEY_UP)) |
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{ |
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rectCount++; |
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rectSize = (float)screenWidth/rectCount; |
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free(rectangles); |
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rectangles = GenerateRandomColorRectSequence((float)rectCount, rectSize, (float)screenWidth, 0.75f*screenHeight); |
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} |
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if (IsKeyPressed(KEY_DOWN)) |
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{ |
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if (rectCount >= 4) |
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{ |
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rectCount--; |
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rectSize = (float)screenWidth/rectCount; |
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free(rectangles); |
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rectangles = GenerateRandomColorRectSequence((float)rectCount, rectSize, (float)screenWidth, 0.75f*screenHeight); |
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} |
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} |
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//---------------------------------------------------------------------------------- |
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// Draw |
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//---------------------------------------------------------------------------------- |
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BeginDrawing(); |
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ClearBackground(RAYWHITE); |
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int fontSize = 20; |
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for (int i = 0; i < rectCount; i++) |
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{ |
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DrawRectangleRec(rectangles[i].r, rectangles[i].c); |
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DrawTextCenterKeyHelp("SPACE", "to shuffle the sequence.", 10, screenHeight - 96, fontSize, BLACK); |
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DrawTextCenterKeyHelp("UP", "to add a rectangle and generate a new sequence.", 10, screenHeight - 64, fontSize, BLACK); |
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DrawTextCenterKeyHelp("DOWN", "to remove a rectangle and generate a new sequence.", 10, screenHeight - 32, fontSize, BLACK); |
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} |
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const char *rectCountText = TextFormat("%d rectangles", rectCount); |
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int rectCountTextSize = MeasureText(rectCountText, fontSize); |
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DrawText(rectCountText, screenWidth - rectCountTextSize - 10, 10, fontSize, BLACK); |
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DrawFPS(10, 10); |
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EndDrawing(); |
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//---------------------------------------------------------------------------------- |
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} |
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const char* rectCountText = TextFormat("%d rectangles", rectCount); |
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int rectCountTextSize = MeasureText(rectCountText, fontSize); |
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DrawText(rectCountText, screenWidth - rectCountTextSize - 10, 10, fontSize, BLACK); |
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DrawFPS(10, 10); |
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EndDrawing(); |
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//---------------------------------------------------------------------------------- |
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} |
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// De-Initialization |
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//-------------------------------------------------------------------------------------- |
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free(rectangles); |
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CloseWindow(); // Close window and OpenGL context |
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//-------------------------------------------------------------------------------------- |
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// De-Initialization |
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//-------------------------------------------------------------------------------------- |
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free(rectangles); |
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CloseWindow(); // Close window and OpenGL context |
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//-------------------------------------------------------------------------------------- |
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return 0; |
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return 0; |
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} |
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//------------------------------------------------------------------------------------ |
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// Module functions definition |
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//------------------------------------------------------------------------------------ |
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static Color GenerateRandomColor() |
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{ |
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return CLITERAL(Color){ |
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GetRandomValue(0, 255), |
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GetRandomValue(0, 255), |
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GetRandomValue(0, 255), |
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255, |
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}; |
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} |
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Color color = { |
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GetRandomValue(0, 255), |
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GetRandomValue(0, 255), |
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GetRandomValue(0, 255), |
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255 |
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}; |
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static ColorRect* GenerateRandomColorRectSequence(float rectCount, float rectWidth, float screenWidth, float screenHeight){ |
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int *seq = LoadRandomSequence((unsigned int)rectCount, 0, (unsigned int)rectCount-1); |
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ColorRect* rectangles = (ColorRect *)malloc((int)rectCount*sizeof(ColorRect)); |
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return color; |
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} |
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float rectSeqWidth = rectCount * rectWidth; |
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float startX = (screenWidth - rectSeqWidth) * 0.5f; |
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static ColorRect *GenerateRandomColorRectSequence(float rectCount, float rectWidth, float screenWidth, float screenHeight) |
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{ |
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ColorRect *rectangles = (ColorRect *)malloc((int)rectCount*sizeof(ColorRect)); |
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int *seq = LoadRandomSequence((unsigned int)rectCount, 0, (unsigned int)rectCount - 1); |
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float rectSeqWidth = rectCount*rectWidth; |
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float startX = (screenWidth - rectSeqWidth)*0.5f; |
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for(int x=0;x<rectCount;x++){ |
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int rectHeight = (int)Remap((float)seq[x], 0, rectCount-1, 0, screenHeight); |
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rectangles[x].c = GenerateRandomColor(); |
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rectangles[x].r = CLITERAL(Rectangle){ |
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startX + x * rectWidth, screenHeight - rectHeight, rectWidth, (float)rectHeight |
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}; |
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} |
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UnloadRandomSequence(seq); |
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return rectangles; |
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for (int i = 0; i < rectCount; i++) |
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{ |
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int rectHeight = (int)Remap((float)seq[i], 0, rectCount - 1, 0, screenHeight); |
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rectangles[i].c = GenerateRandomColor(); |
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rectangles[i].r = CLITERAL(Rectangle){ startX + i*rectWidth, screenHeight - rectHeight, rectWidth, (float)rectHeight }; |
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} |
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UnloadRandomSequence(seq); |
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return rectangles; |
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} |
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static void ShuffleColorRectSequence(ColorRect* rectangles, int rectCount) |
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static void ShuffleColorRectSequence(ColorRect *rectangles, int rectCount) |
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{ |
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int *seq = LoadRandomSequence(rectCount, 0, rectCount-1); |
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for(int i1=0;i1<rectCount;i1++){ |
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ColorRect* r1 = &rectangles[i1]; |
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ColorRect* r2 = &rectangles[seq[i1]]; |
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// swap only the color and height |
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ColorRect tmp = *r1; |
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r1->c = r2->c; |
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r1->r.height = r2->r.height; |
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r1->r.y = r2->r.y; |
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r2->c = tmp.c; |
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r2->r.height = tmp.r.height; |
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r2->r.y = tmp.r.y; |
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} |
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UnloadRandomSequence(seq); |
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int *seq = LoadRandomSequence(rectCount, 0, rectCount - 1); |
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for (int i1 = 0; i1 < rectCount; i1++) |
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{ |
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ColorRect *r1 = &rectangles[i1]; |
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ColorRect *r2 = &rectangles[seq[i1]]; |
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// Swap only the color and height |
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ColorRect tmp = *r1; |
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r1->c = r2->c; |
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r1->r.height = r2->r.height; |
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r1->r.y = r2->r.y; |
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r2->c = tmp.c; |
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r2->r.height = tmp.r.height; |
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r2->r.y = tmp.r.y; |
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} |
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UnloadRandomSequence(seq); |
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} |
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static void DrawTextCenterKeyHelp(const char* key, const char* text, int posX, int posY, int fontSize, Color color) |
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static void DrawTextCenterKeyHelp(const char *key, const char *text, int posX, int posY, int fontSize, Color color) |
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{ |
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int spaceSize = MeasureText(" ", fontSize); |
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int pressSize = MeasureText("Press", fontSize); |
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int keySize = MeasureText(key, fontSize); |
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int textSize = MeasureText(text, fontSize); |
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int totalSize = pressSize + 2 * spaceSize + keySize + 2 * spaceSize + textSize; |
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int textSizeCurrent = 0; |
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DrawText("Press", posX, posY, fontSize, color); |
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textSizeCurrent += pressSize + 2 * spaceSize; |
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DrawText(key, posX + textSizeCurrent, posY, fontSize, RED); |
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DrawRectangle(posX + textSizeCurrent, posY + fontSize, keySize, 3, RED); |
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textSizeCurrent += keySize + 2 * spaceSize; |
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DrawText(text, posX + textSizeCurrent, posY, fontSize, color); |
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int spaceSize = MeasureText(" ", fontSize); |
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int pressSize = MeasureText("Press", fontSize); |
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int keySize = MeasureText(key, fontSize); |
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int textSize = MeasureText(text, fontSize); |
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int totalSize = pressSize + 2*spaceSize + keySize + 2*spaceSize + textSize; |
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int textSizeCurrent = 0; |
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DrawText("Press", posX, posY, fontSize, color); |
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textSizeCurrent += pressSize + 2*spaceSize; |
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DrawText(key, posX + textSizeCurrent, posY, fontSize, RED); |
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DrawRectangle(posX + textSizeCurrent, posY + fontSize, keySize, 3, RED); |
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textSizeCurrent += keySize + 2*spaceSize; |
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DrawText(text, posX + textSizeCurrent, posY, fontSize, color); |
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} |