Earthball8.c has a strange bouncing
here my compiled sample:
https://hotfile.com/dl/239911466/97b58c6/earthball8_teste.cd.zip.htmlbelow my source code:
///////////////////////////////////////////////////////////////
// earthball8.c - physics example for lite-C pure mode
// lite-C version of the C++ SDK example in the manual
// (c) jcl / oP group 2010
///////////////////////////////////////////////////////////////
#include <default.c>
#include <ackphysx.h>
///////////////////////////////////////////////////////////////
// some global definitions
PANEL* pSplash = { bmap = "logo_800.jpg"; }
TEXT* tHelp = {
pos_x = 10; pos_y = 10;
font = "Arial#24bi";
flags = SHADOW;
string("Press [Space] to kick the blob!");
}
ENTITY* eBlob;
SOUND* sPong = "tap.wav";
VECTOR vSpeed, vAngularSpeed, vForce, vMove;
///////////////////////////////////////////////////////////////
// This is our event function for the ball impact.
function Plop()
{
// Play a ball impact sound.
ent_playsound(eBlob,sPong,100);
}
// Function for kicking the ball in camera direction.
function Kick()
{
// Create a local speed vector
VECTOR vKick;
// Use a horizontal and vertical speed to give the ball an upwards kick.
vKick.x = 150; vKick.y = 0; vKick.z = 75;
// Rotate it in camera direction.
vec_rotate(vKick,camera.pan);
// Now apply the speed to the ball, and play a hit sound.
pXent_addvelcentral(eBlob,vKick);
Plop();
}
///////////////////////////////////////////////////////////////
// If a function is named "main", it's automatically started
function main()
{
// Activate 800x600 screen resolution and stencil shadows,
// and set the sound at full volume.
// Video_mode and video_aspect can be set
// before initializig the video device during the first wait().
video_mode = 7;
video_aspect = 4./3.; // 4:3 monitor for 800x600
shadow_stencil = 3;
d3d_antialias = 4;
sound_vol = 100;
physX_open(); // use physics
// Make the splash screen visible.
set(pSplash,SHOW);
// After a panel is set to SHOW, we have to wait 3 frames
// until we can really see it on the screen.
// The first frame paints it into the background buffer,
// two more frames are needed until the background buffer
// is flipped to the front in a triple buffer system.
wait(3);
// Before we can create level entities, a level must be loaded.
level_load("small.hmp");
// create a sky cube on layer 0
ENTITY* sky = ent_createlayer("skycube+6.dds", SKY | CUBE | SHOW, 0);
// lift the sky and the camera to get a better overview
sky.z = 30;
camera.z = 30;
// Let's now create a ball at position (0,0,100).
// The vector function converts 3 floats to a temporary var vector
// for passing positions to engine functions.
eBlob = ent_create("bola_brazuca.mdl",vector(0,0,100),NULL);
// Set an entity flag to cast a dynamic shadow
set(eBlob,SHADOW);
// Use one of the default materials for giving it a shiny look
eBlob.material = mat_metal;
// Now let's set the blob's physical properties.
pXent_settype(eBlob,PH_RIGID,PH_SPHERE);
pXent_setelasticity(eBlob,80);
pXent_setdamping(eBlob,20,5);
// We add a small speed to give it a little sidewards kick.
pXent_addvelcentral(eBlob,vector(10,10,0));
// Activate an event: if the blob hits something, a sound shall be played.
// We set the event function and the collision flag for triggering
// EVENT_FRICTION event at collisions with the level.
pXent_setcollisionflag(eBlob,NULL,NX_NOTIFY_ON_START_TOUCH);
eBlob.event = Plop;
// Remove the splash screen and display the text.
pan_remove(pSplash);
set(tHelp,SHOW);
// We want to kick the ball by hitting the [Space] key.
// Assign the 'Kick' function to the on_space event.
on_space = Kick;
// play the sound as if someone had kicked the ball into play
Plop();
// During the main loop we're just moving the camera
while (1)
{
// For the camera movement we use the
// vec_accelerate() function. It accelerates a speed and
// is not dependent on the frame rate - so we don't need to
// limit the fps in this example. This code is equivalent
// to the built-in camera movement, but uses different keys.
vForce.x = -5*(key_force.x + mouse_force.x); // pan angle
vForce.y = 5*(key_force.y + mouse_force.y); // tilt angle
vForce.z = 0; // roll angle
vec_accelerate(vMove,vAngularSpeed,vForce,0.8);
vec_add(camera.pan,vMove);
vForce.x = 6 * (key_w - key_s); // forward
vForce.y = 6 * (key_a - key_d); // sideward
vForce.z = 6 * (key_home - key_end); // upward
vec_accelerate(vMove,vSpeed,vForce,0.5);
vec_rotate(vMove,camera.pan);
vec_add(camera.x,vMove);
wait(1);
}
// We don't need to free our created entities, bitmaps and sounds.
// The engine does this automatically when closing.
}
///////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////
somebody can help me ? please
