game style moving objects

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<process.h>
#include<time.h>

int diamond(int x, int y, char ch);

void delay(unsigned int mseconds);

int diamondflash();

int rectangle(int x,int y,int d,char ch);
int triangle1(int y);

int triangle2(int x, int y);

int triangle3(int y);

int triangle4(int y);

int main()
{


	for (int j = 5; j<80; j++)
	{
		diamond(j, 5, '**');
		delay(50);
		system("cls");
		//system("COLOR 1F");

	}

	diamondflash();

	for (int u = 0; u < 37; u++)
	{
		if (u < 3)
		{
			triangle1(u);
			delay(200);
			system("COLOR 0B");
		}
		else if (u < 6)
		{
			triangle2(u, u);
			delay(200);
			system("COLOR 0C");
		}
		else if (u <9)
		{
			triangle3(u);
			delay(200);
			system("COLOR 0D");
		}
		else if (u <12)
		{
			triangle4(u);
			delay(200);
			system("COLOR 0E");
		}
		else if (u <15)
		{
			triangle1(u);
			delay(200);
			system("COLOR 0B");
		}
		else if (u <18)
		{
			triangle2(u, u);
			delay(200);
			system("COLOR 0C");
		}
		else if (u <21)
		{
			triangle3(u);
			delay(200);
			system("COLOR 0D");
		}
		else if (u <24)
		{
			triangle4(u);
			delay(200);
			system("COLOR 0E");
		}
		else if (u <27)
		{
			triangle1(u);
			delay(200);
			system("COLOR 0B");
		}
		else if (u <30)
		{
			triangle2(u, u);
			delay(200);
			system("COLOR 0C");
		}
		else if (u <33)
		{
			triangle3(u);
			delay(200);
			system("COLOR 0D");
		}
		else if (u <36)
		{
			triangle4(u);
			delay(200);
			system("COLOR 0E");
		}
	}



	for(int i=5,j=5;i<=35,j<=35;i++,j++)
	{
	rectangle(i,j,10,'*');

	delay(100);
	system("cls");

	}
	return 0;

}
int diamondflash()
{


	for (int i = 0; i <= 20; i++)
	{
		for (int j = 0; j <= 20 - i; j++)
		{
			printf(" ");
		}
		for (int k = 0; k <= i; k++)
			printf("**");
		printf("\n");
		delay(100);
	}
	for (int i = 20; i >= 0; i--)
	{
		for (int j = 20 - i; j >= 0; j--)
		{
			printf(" ");
		}
		for (int k = i; k >= 0; k--)
			printf("**");

		printf("\n");

		delay(100);
	}

	delay(1000);

	return 0;

}

int diamond(int x, int y, char ch)
{

	for (int i = 0; i <= y; i++)
	{
		for (int j = 0; j <= x - i; j++)
		{
			printf(" ");
		}
		for (int k = 0; k <= i; k++)
			printf("%c%c", ch, ch);
		printf("\n");

	}
	for (int i = y; i >= 0; i--)
	{
		for (int j = x - i; j >= 0; j--)
		{
			printf(" ");
		}
		for (int k = i; k >= 0; k--)
			printf("%c%c", ch, ch);

		printf("\n");

	}

	return 0;

}

int rectangle(int x,int y,int d,char ch)
{

    int r=d/2;
    system("cls");
    for(int k=1;k<=y-r-1;k++)
     {
         printf("\n");
     }
    for(int j=y-r;j<=y+r;j++)
     {
         for(int i=1;i<=x-r-1;i++)
          {
               printf(" ",ch);
          }
          for(int i=x-r;i<=x-r;i++)
          {
                printf("%c",ch);
          }
          for(int i=x-r+1;i<=x+r-1-1;i++)
          {
         if((j==y-r)||(j==y+r))
          {
            printf("%c",ch);

          }
          else
          {
            printf(" ");
          }
 }
   for(int i=x+r;i<=x+r;i++)

   {
      printf("%c",ch);
   }
     printf("\n");

}

return 0;
}



int triangle1(int y)
{
	system("cls");
	for (int i = 0; i<y; i++)
	{
		printf("\n");
	}
	for (int i = 0; i<11; i++)
	{
		for (int j = 0; j<11 - i; j++)
		{
			printf(" ");
		}
		for (int j = 0; j<i; j++)
			printf("*");
		printf("\n");
	}
	return 0;
}

int triangle2(int x, int y)
{
	system("cls");
	for (int i = 0; i<y; i++)
	{
		printf(" \n");
	}

	for (int i = 0; i<11; i++)
	{
		for (int j = 0; j<i; j++)
		{
			printf("*");
		}

		printf("\n");

	}
	return 0;
}

int triangle3(int y)
{
	system("cls");
	for (int i = 0; i<y; i++)
	{
		printf(" \n");
	}

	for (int i = 0; i<11; i++)
	{
		for (int j = 0; j<11 - i; j++)
		{
			printf("*");
		}
		printf("\n");
	}
	return 0;
}

int triangle4(int y)
{
	system("cls");
	for (int i = 0; i<y; i++)
	{
		printf(" \n");
	}
	for (int i = 0; i<11; i++)
	{
		for (int j = 0; j<i; j++)
		{
			printf(" ");
		}
		for (int j = 0; j<11 - i; j++)
			printf("*");

		printf("\n");

	}



	return 0;
}


void delay(unsigned int mseconds)
{
	clock_t goal = mseconds + clock();
	while (goal>clock())
	{
	}
}