init commit . analog clock works

Author: devshashtag

README.md

@@ -0,0 +1,6 @@
+# analog clock with c graphics.h
+
+view :
+
+![alt text](https://raw.githubusercontent.com/unprogramable/turboc_analog_clock/master/screenshots/analog_clock.png)
+

analog_clock.c

@@ -0,0 +1,147 @@
+// line, circle, setcolor,initgraph
+#include <graphics.h>
+// sin, cos, M_PI
+#include <math.h>
+// getch
+#include <conio.h>
+// delay
+#include <dos.h>
+// time, localtime
+#include <time.h>
+// NULL
+#include <stdio.h>
+// system
+#include <stdlib.h>
+
+// color time bars
+#define SEC_COLOR            BLUE
+#define MIN_COLOR            GREEN
+#define HOUR_COLOR           RED
+#define HOUR_POINTS_COLOR    RED
+#define SEC_MIN_POINTS_COLOR YELLOW
+// center point
+#define CENTER_POINT_COLOR   MAGENTA
+#define CENTER_POINT_SIZE    8
+// dont change this
+#define SHOW 1
+#define HIDE 0
+
+void draw_clock(float cx, float cy, float angle,
+    float radius, float delay_t,int state){
+
+    // get time
+    time_t t = time(NULL);
+    struct tm tm = *localtime(&t);
+
+    // x,y position for circles and lines
+    float x, y;
+
+    // highlight point, for counter
+    int h_point, i, hour;
+
+    // convert hour 24h to 12h
+    hour = tm.tm_hour;
+    hour += (tm.tm_hour>=12)?-12:0;
+
+    if(state){
+    // sec color
+    setcolor(SEC_COLOR);
+    outtextxy(10, 10, "second color");
+    // min color
+    setcolor(MIN_COLOR);
+    outtextxy(10, 30, "minute color");
+    // hour color
+    setcolor(HOUR_COLOR);
+    outtextxy(10, 50, "hour color");
+    }
+
+    // draw clock
+    for(i=-90; i < 270 ;i+=6){
+    x = cx + cos(i* M_PI / 180) * angle;
+    y = cy + sin(i* M_PI / 180) * angle;
+
+    // draw clock with time
+    if(state){
+        // dont hightlight this point
+        h_point = 0;
+
+        // center point
+        setcolor(CENTER_POINT_COLOR);
+        circle(cx, cy, radius+4);
+
+        // default bar color
+        setcolor(BLACK);
+
+        // time lines
+        // hour line; slice circle to 360/30 = 12
+        if(hour == (i + 90) / 30.0){
+        setcolor(HOUR_COLOR);
+        h_point = 1;
+        }
+        // min line; slice circle to 360/6 = 60
+        if(tm.tm_min == (i + 90) / 6){
+        setcolor(MIN_COLOR);
+        h_point = 1;
+        }
+        // sec line; slice circle to 360/6 = 60
+        if(tm.tm_sec == (i + 90) / 6){
+        setcolor(SEC_COLOR);
+        h_point = 1;
+        }
+
+        // draw lines
+        line(cx, cy, x, y);
+
+        // circles; if 360 % 30 == 0 its a hour point
+        if((i+90)%30==0){
+        if(!h_point) // highlight this point if a bar in this section
+            setcolor(HOUR_POINTS_COLOR);
+        circle(x, y, radius+5);
+        }
+        else {
+        if(!h_point) // highlight this point if a bar in this section
+            setcolor(SEC_MIN_POINTS_COLOR);
+        circle(x, y, radius+1);
+        }
+
+    } else {
+        // animations section
+        // lines
+        setcolor(RED);
+        line(cx, cy, x, y);
+        // circles
+        setcolor(CYAN);
+        circle(x, y, radius);
+    }
+    // its like sleep function
+    delay(delay_t);
+    }
+}
+
+
+void main(){
+    float x, y, cx, cy, angle, radius;
+    int  graphdriver = DETECT, graphmode;
+
+    initgraph(&graphdriver, &graphmode, "..\\BGI");
+    // center screen
+    cx = getmaxx() / 2.0;
+    cy = getmaxy() / 2.0;
+
+    angle = 200;
+
+    radius = 1;
+
+    // clock style animation
+    draw_clock(cx, cy, angle, radius, 20, HIDE);
+
+    // draw clock
+    draw_clock(cx, cy, angle, radius, 10, SHOW);
+    // update clock ; if you press any key program stoped.
+    while(!kbhit())
+    draw_clock(cx, cy, angle, radius, 0, SHOW);
+
+    // wait for a key and exit
+    getch();
+    closegraph();
+}