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Source.cpp
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Source.cpp
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#include <Windows.h>
#include <GL\glew.h>
#include <GL\freeglut.h>
#include <iostream>
int r = 100;//jari-jari
int a = 9;//value pengurang jari-jari matahari
int j = 0;
int sisi;
float xF = 527, yF = 500,
xH = 672, yH = 500,
xI = 718, yI = 373,
xJ = 600, yJ = 290,
xG = 481, yG = 373,
xA = 600, yA = 700;
float merah = 0.0, hijau = 0.0, biru;
float warnaBiruValueX = 0, x, y;
void init() {
glClearColor(1.0, 1.0, 1.0, 0.0);
glMatrixMode(GL_PROJECTION);
glEnable(GL_BLEND); //Tugas2
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
gluOrtho2D(0.0, 1280, 0.0, 720);
/*
glClearColor(1, 1, 1, 0);
glColor3f(0.0f, 0.0f, 0.0f);
glMatrixMode(GL_PROJECTION);
glPointSize(10.0);
glLoadIdentity();
glLineWidth(4.0f);
gluOrtho2D(0.0, 720.0, 0.0, 480.0);
*/
}
void lingkaran(int sisi, int x, int y) {
/*if (j == 1) {
glBegin(GL_POLYGON);
}*/
glBegin(GL_POLYGON);
for (int i = 0; i < sisi; i++) {
glVertex2f((r * cos(2 * 3.14159265 * i / sisi)) + x, (r * sin(2 * 3.14159265 * i / sisi)) + y);
}
glEnd();
}
void polygonSegiLima(float merah, float hijau, float xF, float yF, float xH, float yH, float xI, float yI, float xJ, float yJ, float xG, float yG) {
glBegin(GL_POLYGON);
glColor3f(merah, hijau, 1);
glVertex2f(xF, yF);//F
glVertex2f(xH, yH);//H
glVertex2f(xI, yI);//I
glVertex2f(xJ, yJ);//J
glVertex2f(xG, yG);//G
glEnd();
}
void cetakSegiLima() {
xF = 527, yF = 500,
xH = 672, yH = 500,
xI = 718, yI = 373,
xJ = 600, yJ = 290,
xG = 481, yG = 373;
merah = 0, hijau = 0.5;
for (int i = 0; i < 5; i++) {
polygonSegiLima(merah, hijau, xF, yF, xH, yH, xI, yI, xJ, yJ, xG, yG);
xF = xF + 8; yF = yF - 10;
xH = xH - 8; yH = yH - 10;
xI = xI - 10; yI = yI + 3;
yJ = yJ + 10;
xG = xG + 10; yG = yG + 3;
merah += 0.2;
hijau += 0.1;
}
}
void segitigaKiriAtas(float merah, float hijau,float x, float y) {
glBegin(GL_TRIANGLES); glColor3f(merah, hijau, 1);
glVertex2f(x, y); glVertex2f(527, 500); glVertex2f(481, 373);
glEnd();
}
void cetakSegitigaKiriAtas() {
x = 300, y = 500, merah = 0, hijau = 0.5;
for (int i = 0; i < 5; i++) {
segitigaKiriAtas(merah,hijau,x,y);
x += 30;
y -= 10;
merah += 0.2;
hijau += 0.1;
}
}
void segitigaKananAtas(float merah, float hijau,float x, float y ) {
glBegin(GL_TRIANGLES); glColor3f(merah, hijau, 1);
glVertex2f(x, y); glVertex2f(672, 500); glVertex2f(718, 373);
glEnd();
}
void cetakSegitigaKananAtas() {
x = 900, y = 500, merah = 0, hijau = 0.5;
for (int j = 0; j < 5; j++) {
segitigaKananAtas(merah, hijau, x, y);
x -= 30;
y -= 10;
merah += 0.2;
hijau += 0.1;
}
}
void segitigaAtas(float merah, float hijau, float x, float y) {
//segitigaAtas
glBegin(GL_TRIANGLES); glColor3f(merah, hijau, 1);
glVertex2f(x, y); //A
glVertex2f(527, 500); //F
glVertex2f(672, 500); //H
glEnd();
}
void cetakSegitigaAtas() {
merah = 0;
hijau = 0.5;
x = 600, y = 700;
for (int i = 0; i < 5; i++) {
segitigaAtas(merah,hijau,x,y);
y -= 30;
merah += 0.2;
hijau += 0.1;
}
}
void segitigaKiriBawah(float merah, float hijau,float x,float y) {
glBegin(GL_TRIANGLES);
glColor3f(merah, hijau, 1);
glVertex2f(600, 290);
glVertex2f(x, y);
glVertex2f(481, 373);
glEnd();
}
void cetakSegitigaKiriBawah() {
x = 400, y = 150, merah = 0.0, hijau = 0.5;
for (int j = 0; j < 5; j++) {
segitigaKiriBawah(merah,hijau,x,y);
x += 25;
y += 30;
merah += 0.2;
hijau += 0.1;
}
}
void segitigaKananBawah(float merah, float hijau, float x, float y) {
glBegin(GL_TRIANGLES);
glColor3f(merah, hijau, 1);
glVertex2f(600, 290);
glVertex2f(x, y);
glVertex2f(718, 373);
glEnd();
}
void cetakSegitigaKananBawah() {
x = 800, y = 150, merah = 0.0, hijau = 0.5;
for (int j = 0; j < 5; j++) {
segitigaKananBawah(merah, hijau, x, y);
x -= 25;
y += 30;
merah += 0.2;
hijau += 0.1;
}
}
void shadow() {
glBegin(GL_TRIANGLES);
glColor3f(1, 1, 0.6);
glVertex2f(600, 290); glColor3f(1 ,1, 1);
glVertex2f(400, 150);
glVertex2f(800, 150);
glEnd();
glBegin(GL_TRIANGLES);
glColor3f(1, 1, 0.6);
glVertex2f(481, 373); glColor3f(1, 1, 1);
glVertex2f(300, 500);
glVertex2f(400, 150);
glEnd();
glBegin(GL_TRIANGLES);
glColor3f(1, 1, 0.6);
glVertex2f(527, 500); glColor3f(1, 1, 1);
glVertex2f(600, 700);
glVertex2f(300, 500);
glEnd();
glBegin(GL_TRIANGLES);
glColor3f(1, 1, 0.6);
glVertex2f(672, 500); glColor3f(1, 1, 1);
glVertex2f(900, 500);
glVertex2f(600, 700);
glEnd();
glBegin(GL_TRIANGLES);
glColor3f(1, 1, 0.6);
glVertex2f(718, 373); glColor3f(1, 1, 1);
glVertex2f(800, 150);
glVertex2f(900, 500);
glEnd();
}
void objek() {
glClear(GL_COLOR_BUFFER_BIT);
cetakSegiLima();
cetakSegitigaKananAtas();
cetakSegitigaAtas();
cetakSegitigaKiriAtas();
cetakSegitigaKiriBawah();
cetakSegitigaKananBawah();
shadow();
glFlush();
}
int main(int argc, char** argv) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowPosition(0, 0);
glutInitWindowSize(1280, 720);//Tugas2
glutCreateWindow("Tugas 1 | Grafika Komputer H | EdwinDutaRamadhan_672020272");
init();
glutDisplayFunc(objek);
//glutFullScreen();
glutMainLoop();
}