tracer de courber focntionne git add *

travail_de_groupe/jeu_appren_par_renfo/antoi_render_2d/source/ball.c

@@ -3,6 +3,7 @@
 ball_t ball;  
 laGrange_t coefLagrange; 
 int trajectory[NUMBERPOINT][2]; 
+int trajectoireAntoine[20][2];
 
 void  initBall (){ 
 
@@ -84,4 +85,60 @@ void calculationTrajectory(canon_t canon, int xDropPoint, int yDropPoint){
                     coefLagrange.b*((float)canon.y + i*step)+
                     coefLagrange.a*(powf((float)canon.y + i*step,2)));
     }
-}
+}
\ No newline at end of file
+
+//output of Lagrange interpolation method is obtained in yp
+//xp is interpolation point given by user
+//xd : x depart
+//yd : y depart
+//xt : x target
+//yt : y target
+// DONNE UN POINT
+int calculTrajectoireAntoine(float xp, int xd, int yd, int xf, int yf, int xt, int yt){
+    float x[100], y[100], yp=0, p;
+    int i,j,n;
+    n = 3;
+
+    x[1] = xd;
+    x[2] = xf;
+    x[3] = xt;
+
+    y[1] = yd;
+    y[2] = yf;
+    y[3] = yt;
+
+    /* Implementing Lagrange Interpolation */
+    for(i=1;i<=n;i++)
+    {
+        p=1;
+        for(j=1;j<=n;j++)
+        {
+            if(i!=j)
+            {
+                p = p* (xp - x[j])/(x[i] - x[j]);
+            }
+        }
+        yp = yp + p * y[i];
+    }
+    printf("Interpolated value at %.3f is %.3f.\n", xp, yp);
+    return yp;
+}
+
+// utilise calculTrajectoireAntoine pour 
+// calculer une liste de point a tracer
+
+void calculTrajectoireAntoine2(int xd, int yd, int xf, int yf, int xt, int yt){
+    // on calcule 20 points
+    
+    int pas_de_temps = (xt-xd)/19;
+    int i;
+    for (i=0; i<19; i++){
+        // x
+        trajectoireAntoine[i][0] = (int)(xd + i*pas_de_temps);
+        // y
+        trajectoireAntoine[i][1] = calculTrajectoireAntoine(trajectoireAntoine[i][0], xd, yd, xf, yf, xt, yt);
+    }  
+}
+
+
+

travail_de_groupe/jeu_appren_par_renfo/antoi_render_2d/source/ball.h

@@ -31,10 +31,15 @@ extern ball_t ball;
 extern laGrange_t coefLagrange; 
 extern int trajectory[NUMBERPOINT][2]; 
 
+extern int trajectoireAntoine[20][2];
+
 void  initBall();
 void laGrange(float *, float *);
 float defineAngle(canon_t, int, int);
 //void calculationTrajectory(canon_t, int, int, int, int);
 void calculationTrajectory(canon_t, int, int);
 
+int calculTrajectoireAntoine(float, int, int, int, int, int, int);
+void calculTrajectoireAntoine2(int, int, int, int, int, int);
+
 #endif 
\ No newline at end of file

travail_de_groupe/jeu_appren_par_renfo/antoi_render_2d/source/render.c

@@ -239,22 +239,47 @@ void drawTrajectoireTopView(){
 }
 
 void drawTrajectoireSideView(){
-    canon_t canon_trajectoire_sideview;
+    /*canon_t canon_trajectoire_sideview;
     canon_trajectoire_sideview.y = drawerTerrainSideView.x + canon.y;
-    canon_trajectoire_sideview.x = drawerTerrainSideView.y;
+    canon_trajectoire_sideview.x = drawerTerrainSideView.y;*/
 
-    drawerPointDeChute.y = terrain.y + terrain.h; 
+    /*drawerPointDeChute.y = terrain.y + terrain.h; 
 
     calculationTrajectory(canon_trajectoire_sideview,
                         drawerPointDeChute.y,
                         drawerPointDeChute.x
-    );
-
-    for(int i=0; i<NUMBERPOINT-1; i++){
+    );*/
+
+
+    //int resultatAntoine = 0;
+    //resultatAntoine = calculTrajectoireAntoine(75.0, 0, 0, 50, 60, 100, 0);
+    /*calculTrajectoireAntoine2(0, -200, 50, 60, 100, -200);
+    printf("trajAntoinX : %d; trajAntoinY : %d\n", trajectoireAntoine[5][0], trajectoireAntoine[5][1]);
+    printf("trajAntoinX : %d; trajAntoinY : %d\n", trajectoireAntoine[6][0], trajectoireAntoine[6][1]);
+    printf("trajAntoinX : %d; trajAntoinY : %d\n", trajectoireAntoine[7][0], trajectoireAntoine[7][1]);*/
+
+    calculTrajectoireAntoine2(
+        terrain.x + terrain.w + 50 + canon.y, //x depart
+        terrain.y + terrain.h, //y depart
+        terrain.x + terrain.w + 50 + terrain.h/2, //x filet
+        terrain.y + terrain.h - 100, //y filet
+        drawerTerrainSideView.x + drawerTerrainSideView.w/2 + point_de_chute.y, // x target
+        terrain.y + terrain.h); // y target
+    printf("trajAntoinX : %d; trajAntoinY : %d\n", trajectoireAntoine[5][0], trajectoireAntoine[5][1]);
+    printf("trajAntoinX : %d; trajAntoinY : %d\n", trajectoireAntoine[6][0], trajectoireAntoine[6][1]);
+    printf("trajAntoinX : %d; trajAntoinY : %d\n", trajectoireAntoine[7][0], trajectoireAntoine[7][1]);
+
+    for(int i=0; i<18; i++){
         //printf("point %d (%d, %d)\n", i, trajectory[i][0], trajectory[i][1]);
-        SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
-        SDL_RenderDrawLine(renderer, trajectory[i][0], trajectory[i][1], trajectory[i+1][0], trajectory[i+1][1]);
+        SDL_SetRenderDrawColor(renderer, 0, 255, 255, 255);
+        SDL_RenderDrawLine(renderer, trajectoireAntoine[i][0], trajectoireAntoine[i][1], trajectoireAntoine[i+1][0], trajectoireAntoine[i+1][1]);
+        //SDL_RenderDrawLine(renderer, trajectory[i][0], trajectory[i][1], trajectory[i+1][0], trajectory[i+1][1]);
     }
+
+
+  
+
+
 }
 
 void drawBall(){