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205 lines
8.9 KiB
205 lines
8.9 KiB
/*******************************************************************************************
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*
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* raylib [shapes] example - clock of clocks
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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 5.6-dev
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*
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* Example contributed by JP Mortiboys (@themushroompirates) 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 JP Mortiboys (@themushroompirates)
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*
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********************************************************************************************/
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#include "raylib.h"
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#include "raymath.h" // Required for: Lerp()
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#include <time.h> // Required for: time(), localtime()
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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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SetConfigFlags(FLAG_MSAA_4X_HINT);
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InitWindow(screenWidth, screenHeight, "raylib [shapes] example - clock of clocks");
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const Color bgColor = ColorLerp(DARKBLUE, BLACK, 0.75f);
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const Color handsColor = ColorLerp(YELLOW, RAYWHITE, .25f);
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const float clockFaceSize = 24;
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const float clockFaceSpacing = 8.0f;
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const float sectionSpacing = 16.0f;
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const Vector2 TL = (Vector2){ 0.0f, 90.0f }; // Top-left corner
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const Vector2 TR = (Vector2){ 90.0f, 180.0f }; // Top-right corner
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const Vector2 BR = (Vector2){ 180.0f, 270.0f }; // Bottom-right corner
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const Vector2 BL = (Vector2){ 0.0f, 270.0f }; // Bottom-left corner
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const Vector2 HH = (Vector2){ 0.0f, 180.0f }; // Horizontal line
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const Vector2 VV = (Vector2){ 90.0f, 270.0f }; // Vertical line
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const Vector2 ZZ = (Vector2){ 135.0f, 135.0f }; // Not relevant
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const Vector2 digitAngles[10][24] = {
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/* 0 */ { TL,HH,HH,TR, /* */ VV,TL,TR,VV,/* */ VV,VV,VV,VV,/* */ VV,VV,VV,VV,/* */ VV,BL,BR,VV,/* */ BL,HH,HH,BR },
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/* 1 */ { TL,HH,TR,ZZ, /* */ BL,TR,VV,ZZ,/* */ ZZ,VV,VV,ZZ,/* */ ZZ,VV,VV,ZZ,/* */ TL,BR,BL,TR,/* */ BL,HH,HH,BR },
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/* 2 */ { TL,HH,HH,TR, /* */ BL,HH,TR,VV,/* */ TL,HH,BR,VV,/* */ VV,TL,HH,BR,/* */ VV,BL,HH,TR,/* */ BL,HH,HH,BR },
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/* 3 */ { TL,HH,HH,TR, /* */ BL,HH,TR,VV,/* */ TL,HH,BR,VV,/* */ BL,HH,TR,VV,/* */ TL,HH,BR,VV,/* */ BL,HH,HH,BR },
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/* 4 */ { TL,TR,TL,TR, /* */ VV,VV,VV,VV,/* */ VV,BL,BR,VV,/* */ BL,HH,TR,VV,/* */ ZZ,ZZ,VV,VV,/* */ ZZ,ZZ,BL,BR },
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/* 5 */ { TL,HH,HH,TR, /* */ VV,TL,HH,BR,/* */ VV,BL,HH,TR,/* */ BL,HH,TR,VV,/* */ TL,HH,BR,VV,/* */ BL,HH,HH,BR },
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/* 6 */ { TL,HH,HH,TR, /* */ VV,TL,HH,BR,/* */ VV,BL,HH,TR,/* */ VV,TL,TR,VV,/* */ VV,BL,BR,VV,/* */ BL,HH,HH,BR },
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/* 7 */ { TL,HH,HH,TR, /* */ BL,HH,TR,VV,/* */ ZZ,ZZ,VV,VV,/* */ ZZ,ZZ,VV,VV,/* */ ZZ,ZZ,VV,VV,/* */ ZZ,ZZ,BL,BR },
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/* 8 */ { TL,HH,HH,TR, /* */ VV,TL,TR,VV,/* */ VV,BL,BR,VV,/* */ VV,TL,TR,VV,/* */ VV,BL,BR,VV,/* */ BL,HH,HH,BR },
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/* 9 */ { TL,HH,HH,TR, /* */ VV,TL,TR,VV,/* */ VV,BL,BR,VV,/* */ BL,HH,TR,VV,/* */ TL,HH,BR,VV,/* */ BL,HH,HH,BR },
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};
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// Time for the hands to move to the new position (in seconds); this must be <1s
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const float handsMoveDuration = 0.5f;
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int prevSeconds = -1;
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Vector2 currentAngles[6][24] = { 0 };
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Vector2 srcAngles[6][24] = { 0 };
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Vector2 dstAngles[6][24] = { 0 };
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float handsMoveTimer = 0.0f;
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int hourMode = 24;
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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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// Get the current time
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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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if (timeinfo->tm_sec != prevSeconds)
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{
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// The time has changed, so we need to move the hands to the new positions
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prevSeconds = timeinfo->tm_sec;
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// Format the current time so we can access the individual digits
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const char *clockDigits = TextFormat("%02d%02d%02d", timeinfo->tm_hour%hourMode, timeinfo->tm_min, timeinfo->tm_sec);
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// Fetch where we want all the hands to be
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for (int digit = 0; digit < 6; digit++)
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{
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for (int cell = 0; cell < 24; cell++)
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{
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srcAngles[digit][cell] = currentAngles[digit][cell];
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dstAngles[digit][cell] = digitAngles[clockDigits[digit] - '0'][cell];
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// Quick exception for 12h mode
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if ((digit == 0) && (hourMode == 12) && (clockDigits[0] == '0')) dstAngles[digit][cell] = ZZ;
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if (srcAngles[digit][cell].x > dstAngles[digit][cell].x) srcAngles[digit][cell].x -= 360.0f;
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if (srcAngles[digit][cell].y > dstAngles[digit][cell].y) srcAngles[digit][cell].y -= 360.0f;
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}
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}
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// Reset the timer
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handsMoveTimer = -GetFrameTime();
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}
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// Now let's animate all the hands if we need to
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if (handsMoveTimer < handsMoveDuration)
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{
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// Increase the timer but don't go above the maximum
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handsMoveTimer = Clamp(handsMoveTimer + GetFrameTime(), 0, handsMoveDuration);
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// Calculate the%completion of the animation
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float t = handsMoveTimer/handsMoveDuration;
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// A little cheeky smoothstep
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t = t*t*(3.0f - 2.0f*t);
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for (int digit = 0; digit < 6; digit++)
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{
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for (int cell = 0; cell < 24; cell++)
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{
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currentAngles[digit][cell].x = Lerp(srcAngles[digit][cell].x, dstAngles[digit][cell].x, t);
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currentAngles[digit][cell].y = Lerp(srcAngles[digit][cell].y, dstAngles[digit][cell].y, t);
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}
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}
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}
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// Handle input
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if (IsKeyPressed(KEY_SPACE)) hourMode = 36 - hourMode; // Toggle between 12 and 24 hour mode with space
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(bgColor);
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DrawText(TextFormat("%d-h mode, space to change", hourMode), 10, 30, 20, RAYWHITE);
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float xOffset = 4.0f;
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for (int digit = 0; digit < 6; digit++)
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{
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for (int row = 0; row < 6; row++)
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{
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for (int col = 0; col < 4; col++)
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{
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Vector2 centre = (Vector2){
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xOffset + col*(clockFaceSize+clockFaceSpacing) + clockFaceSize*0.5f,
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100 + row*(clockFaceSize+clockFaceSpacing) + clockFaceSize*0.5f
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};
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DrawRing(centre, clockFaceSize*0.5f - 2.0f, clockFaceSize*0.5f, 0, 360, 24, DARKGRAY);
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// Big hand
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DrawRectanglePro(
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(Rectangle){centre.x, centre.y, clockFaceSize*0.5f+4.0f, 4.0f},
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(Vector2){ 2.0f, 2.0f },
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currentAngles[digit][row*4+col].x,
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handsColor
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);
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// Little hand
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DrawRectanglePro(
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(Rectangle){centre.x, centre.y, clockFaceSize*0.5f+2.0f, 4.0f},
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(Vector2){ 2.0f, 2.0f },
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currentAngles[digit][row*4+col].y,
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handsColor
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);
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}
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}
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xOffset += (clockFaceSize+clockFaceSpacing)*4;
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if (digit%2 == 1)
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{
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DrawRing((Vector2){xOffset + 4.0f, 160.0f}, 6.0f, 8.0f, 0.0f, 360.0f, 24, handsColor);
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DrawRing((Vector2){xOffset + 4.0f, 225.0f}, 6.0f, 8.0f, 0.0f, 360.0f, 24, handsColor);
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xOffset += sectionSpacing;
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}
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}
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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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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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