ropes are doing something

[dosdemo] / tools / ropesim / src / main.c

diff --git a/tools/ropesim/src/main.c b/tools/ropesim/src/main.c
index 2ccd695..6345e45 100644 (file)
--- a/tools/ropesim/src/main.c
+++ b/tools/ropesim/src/main.c
@@ -68,7 +68,7 @@ int main(int argc, char **argv)
 #define ROPE_SPRINGS           (ROPE_MASSES - 1)
 #define ROPE_LEN                       1.0f
 #define ROPE_MASSES_MASS       0.1f
-#define ROPE_K                         0.5f
+#define ROPE_K                         80.0f
 
 int init(void)
 {
@@ -180,6 +180,8 @@ void update(long tmsec, float dt)
 
                dbgvec[i] = apt0;
                rope->masses[0].p = apt0;
+
+               rope = rope->next;
        }
 
        rsim_step(&rsim, dt);
@@ -245,10 +247,19 @@ void display(void)
        glPushAttrib(GL_ENABLE_BIT);
        glDisable(GL_LIGHTING);
        glLineWidth(2);
+       glPointSize(5);
 
        rope = rsim.ropes;
        while(rope) {
                glBegin(GL_LINE_STRIP);
+               glColor3f(0.2, 1, 0.2);
+               for(i=0; i<rope->num_masses; i++) {
+                       glVertex3f(rope->masses[i].p.x, rope->masses[i].p.y, rope->masses[i].p.z);
+               }
+               glEnd();
+
+               glBegin(GL_POINTS);
+               glColor3f(1, 0.2, 0.2);
                for(i=0; i<rope->num_masses; i++) {
                        glVertex3f(rope->masses[i].p.x, rope->masses[i].p.y, rope->masses[i].p.z);
                }