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185 linhas
6.7 KiB
185 linhas
6.7 KiB
/*******************************************************************************************
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*
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* raylib [shapes] example - digital clock
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*
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* Example complexity rating: [★★☆☆] 2/4
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*
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* Example originally created with raylib 5.5, last time updated with raylib 5.5
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*
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* Example contributed by Hamza RAHAL (@hmz-rhl) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2025 Hamza RAHAL (@hmz-rhl)
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*
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********************************************************************************************/
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#include "raylib.h"
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#include <math.h> // Required for: cosf(), sinf()
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#include <time.h> // Required for: time(), localtime()
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#define DIGIT_SIZE 30
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//----------------------------------------------------------------------------------
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// Types and Structures Definition
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//----------------------------------------------------------------------------------
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typedef enum {
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MODE_NORMAL = 0,
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MODE_HANDS_FREE,
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} ClockMode;
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typedef struct {
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int value;
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Vector2 origin;
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float angle;
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int length;
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int thickness;
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Color color;
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} ClockHand;
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typedef struct {
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ClockMode mode;
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ClockHand second;
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ClockHand minute;
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ClockHand hour;
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} Clock;
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//----------------------------------------------------------------------------------
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// Module Functions Declaration
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//----------------------------------------------------------------------------------
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static void UpdateClock(Clock *clock); // Update clock time
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static void DrawClock(Clock clock, Vector2 centerPos); // Draw clock at desired position
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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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{
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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 [shapes] example - digital clock");
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// Initialize clock
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Clock myClock = {
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.mode = MODE_NORMAL,
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.second.angle = 45,
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.second.length = 140,
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.second.thickness = 3,
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.second.color = BEIGE,
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.minute.angle = 10,
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.minute.length = 130,
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.minute.thickness = 7,
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.minute.color = DARKGRAY,
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.hour.angle = 0,
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.hour.length = 100,
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.hour.thickness = 7,
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.hour.color = BLACK,
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};
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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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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if (myClock.mode == MODE_HANDS_FREE) myClock.mode = MODE_NORMAL;
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else if (myClock.mode == MODE_NORMAL) myClock.mode = MODE_HANDS_FREE;
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}
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UpdateClock(&myClock);
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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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DrawCircle(400, 225, 5, BLACK); // Clock center dot
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DrawClock(myClock, (Vector2){ 400, 225 }); // Clock in selected mode
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DrawText("Press [SPACE] to switch clock mode", 10, 10, 20, DARKGRAY);
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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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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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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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// Update clock time
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static void UpdateClock(Clock *clock)
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{
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time_t rawtime;
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struct tm *timeinfo;
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time(&rawtime);
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timeinfo = localtime(&rawtime);
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// Updating time data
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clock->second.value = timeinfo->tm_sec;
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clock->minute.value = timeinfo->tm_min;
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clock->hour.value = timeinfo->tm_hour;
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clock->hour.angle = (timeinfo->tm_hour%12)*180.0/6.0f;
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clock->hour.angle += (timeinfo->tm_min%60)*30/60.0f;
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clock->hour.angle -= 90;
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clock->minute.angle = (timeinfo->tm_min%60)*6.0f;
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clock->minute.angle += (timeinfo->tm_sec%60)*6/60.0f;
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clock->minute.angle -= 90;
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clock->second.angle = (timeinfo->tm_sec%60)*6.0f;
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clock->second.angle -= 90;
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}
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// Draw clock
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static void DrawClock(Clock clock, Vector2 centerPosition)
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{
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if (clock.mode == MODE_HANDS_FREE)
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{
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DrawCircleLinesV(centerPosition, clock.minute.length, LIGHTGRAY);
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DrawText(TextFormat("%i", clock.second.value), centerPosition.x + (clock.second.length - 10)*cosf(clock.second.angle*(float)(PI/180)) - DIGIT_SIZE/2, centerPosition.y + clock.second.length*sinf(clock.second.angle*(float)(PI/180)) - DIGIT_SIZE/2, DIGIT_SIZE, GRAY);
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DrawText(TextFormat("%i", clock.minute.value), centerPosition.x + clock.minute.length*cosf(clock.minute.angle*(float)(PI/180)) - DIGIT_SIZE/2, centerPosition.y + clock.minute.length*sinf(clock.minute.angle*(float)(PI/180)) - DIGIT_SIZE/2, DIGIT_SIZE, RED);
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DrawText(TextFormat("%i", clock.hour.value), centerPosition.x + clock.hour.length*cosf(clock.hour.angle*(float)(PI/180)) - DIGIT_SIZE/2, centerPosition.y + clock.hour.length*sinf(clock.hour.angle*(float)(PI/180)) - DIGIT_SIZE/2, DIGIT_SIZE, GOLD);
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}
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else if (clock.mode == MODE_NORMAL)
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{
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// Draw hand seconds
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DrawRectanglePro((Rectangle){ centerPosition.x, centerPosition.y, clock.second.length, clock.second.thickness },
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(Vector2){ 0.0f, clock.second.thickness/2.0f }, clock.second.angle, clock.second.color);
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// Draw hand minutes
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DrawRectanglePro((Rectangle){ centerPosition.x, centerPosition.y, clock.minute.length, clock.minute.thickness },
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(Vector2){ 0.0f, clock.minute.thickness/2.0f }, clock.minute.angle, clock.minute.color);
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// Draw hand hours
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DrawRectanglePro((Rectangle){ centerPosition.x, centerPosition.y, clock.hour.length, clock.hour.thickness },
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(Vector2){ 0.0f, clock.hour.thickness/2.0f }, clock.hour.angle, clock.hour.color);
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}
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}
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