planeTakeOff/planeGL.cpp at main · lea567/planeTakeOff · GitHub

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#include <GLFW/glfw3.h>
#include <cmath>
#include <cstdlib>


// horizon d'arbres ?? should we keep it ?
void dessinerArbres() {
    glBegin(GL_TRIANGLES);//arbres sont des triangles
    float baseY = -0.35f;   //after the sky
    float treeH = 0.35f;   //height of each tree
    float step = 0.15f;                       // Horizontal spacing between tree centers

    for (int i = 0; i < 40; i++) {         //dessiner plusieurs arbres
        float cx = -1.0f + i * step;          // X center of current tree, evenly spaced from left edge
        if (i % 2 == 0)
            glColor3f(0.13f, 0.45f, 0.18f);   //light green
        else
            glColor3f(0.08f, 0.30f, 0.12f);   // Dark green
        glVertex2f(cx, baseY + treeH);  // Top tip of the triangle (tree peak)
        glVertex2f(cx - 0.055f, baseY);          // Bottom-left base corner of the triangle
        glVertex2f(cx + 0.055f, baseY);          // Bottom-right base corner of the triangle
    }

    glEnd();
}

//herbes
void dessinerHerbe() {
    //behin the runway
    glBegin(GL_QUADS);        //rectangle
    glColor3f(0.15f, 0.50f, 0.15f);
    glVertex2f(-1.0f, -0.35f);              //top left
    glVertex2f(1.0f, -0.35f);               //top right
    glVertex2f(1.0f, -0.50f);               //bottom right
    glVertex2f(-1.0f, -0.50f);              //bottomleft
    glEnd();

    // in front of runway
    glBegin(GL_QUADS);
    glColor3f(0.15f, 0.50f, 0.15f);
    glVertex2f(-1.0f, -0.80f);                 //top left
    glVertex2f(1.0f, -0.80f);                 //top right
    glVertex2f(1.0f, -1.00f);                 //bottom right
    glVertex2f(-1.0f, -1.00f);                 //bottom left
    glEnd();
}

// runway
void dessinerPiste() {
    glBegin(GL_QUADS);
    glColor3f(0.28f, 0.28f, 0.28f);
    glVertex2f(-1.0f, -0.50f);                 //top left
    glVertex2f(1.0f, -0.50f);                //top right
    glVertex2f(1.0f, -0.80f);                //bottom right
    glVertex2f(-1.0f, -0.80f);                //bottom left
    glEnd();

    //bordure
    glLineWidth(3.0f);        //epaisseur
    glBegin(GL_LINES);
    glColor3f(1.0f, 1.0f, 1.0f);
    glVertex2f(-1.0f, -0.505f);
    glVertex2f(1.0f, -0.505f);
    glVertex2f(-1.0f, -0.795f);
    glVertex2f(1.0f, -0.795f);
    glEnd();

    // middle runway
    float midY = -0.65f;
    float dashW = 0.07f;
    float gapW = 0.05f;
    float x = -1.0f;

    glBegin(GL_QUADS);
    glColor3f(1.0f, 1.0f, 1.0f);
    while (x < 1.0f) {
        glVertex2f(x, midY + 0.008f);
        glVertex2f(x + dashW, midY + 0.008f);
        glVertex2f(x + dashW, midY - 0.008f);
        glVertex2f(x, midY - 0.008f);
        x += dashW + gapW;
    }
    glEnd();
}

void display() {
    glClear(GL_COLOR_BUFFER_BIT);

    dessinerArbres();
    dessinerHerbe();
    dessinerPiste();
    glFlush();
}


//widden runway