void initDustParticles(float xPos, float yPos) {
unsigned short dustIdx[NUMBER_OF_DUST_PARTICLES];
int index;
dustParticles = NUMBER_OF_DUST_PARTICLES;
if (dust != NULL)
free(dust);
dust = (PARTICLE *)malloc(NUMBER_OF_DUST_PARTICLES * sizeof(PARTICLE));
for (index=0;index<NUMBER_OF_DUST_PARTICLES;index++)
createDustParticle(index, xPos, yPos, rand()%10);
for(unsigned int i = 0; i< NUMBER_OF_DUST_PARTICLES; i++)
dustIdx[i] = (short)i;
glGenBuffers(1, &dustBuffObj);
glBindBuffer(GL_ARRAY_BUFFER, dustBuffObj);
glBufferData(GL_ARRAY_BUFFER, sizeof(dustPos), dustPos, GL_STATIC_DRAW);
glGenBuffers(1, &dustIndxBuffObj);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, dustIndxBuffObj);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(dustIdx),
dustIdx, GL_STATIC_DRAW);
}
void CLevitate::Update(float timeDelta)
{
float a;
if(!arxtime.is_paused()) {
this->currdurationang += timeDelta;
ulCurrentTime += timeDelta;
this->currframetime = timeDelta;
m_stoneDelay -= timeDelta;
}
//animation cone
this->ang = (float)this->currdurationang / 1000.f;
if(this->ang > 1.f) {
this->currdurationang = 0;
this->ang = 1.f;
}
int dustParticles = 0;
switch(this->key) {
case 0:
//monté du cone
a = (float) ulCurrentTime / 1000.f;
if(a > 1.f) {
a = 0.f;
this->key++;
}
m_coneScale = a;
dustParticles = 3;
break;
case 1:
//animation cone
m_coneScale = (float)ulCurrentTime / (float)ulDuration;
if(ulCurrentTime >= ulDuration) {
m_coneScale = 1.f;
this->key++;
}
dustParticles = 10;
break;
}
for(int i = 0; i < dustParticles; i++) {
createDustParticle();
}
if(m_stoneDelay <= 0) {
m_stoneDelay = Random::get(50, 150);
AddStone(m_pos + randomOffsetXZ(m_baseRadius));
}
}
void createDustParticle(int index)
{
int radius = 1;
float xPos, yPos, zPos;
xPos = 1.0 * (rand() % 1000 - 500) /1000.0;
zPos = 1.0 * (rand() % 1000 - 500) /1000.0;
yPos = -.3 + sqrt(radius - zPos* zPos) -(xPos * xPos);
createDustParticle(index, xPos, yPos, zPos);
}
void LevitateSpell::Update(float timeDelta) {
ulCurrentTime += timeDelta;
Vec3f target;
if(m_target == PlayerEntityHandle) {
target = player.pos + Vec3f(0.f, 150.f, 0.f);
player.levitate = true;
} else {
target = entities[m_caster]->pos;
}
m_pos = target;
float coneScale = 0.f;
int dustParticles = 0;
if(ulCurrentTime < 1000) {
coneScale = (float) ulCurrentTime / 1000.f;
dustParticles = 3;
} else {
coneScale = 1.f;
dustParticles = 10;
}
cone1.Update(timeDelta, m_pos, coneScale);
cone2.Update(timeDelta, m_pos, coneScale);
m_stones.Update(timeDelta, m_pos);
for(int i = 0; i < dustParticles; i++) {
createDustParticle();
}
cone1.Render();
cone2.Render();
m_stones.DrawStone();
ARX_SOUND_RefreshPosition(m_snd_loop, entities[m_target]->pos);
}
void LevitateSpell::Update() {
Vec3f target;
if(m_target == EntityHandle_Player) {
target = player.pos + Vec3f(0.f, 150.f, 0.f);
player.levitate = true;
} else {
target = entities[m_caster]->pos;
}
m_pos = target;
float coneScale = 0.f;
int dustParticles = 0;
if(m_elapsed < GameDurationMs(1000)) {
coneScale = m_elapsed / GameDurationMs(1000);
dustParticles = 3;
} else {
coneScale = 1.f;
dustParticles = 10;
}
cone1.Update(g_gameTime.lastFrameDuration(), m_pos, coneScale);
cone2.Update(g_gameTime.lastFrameDuration(), m_pos, coneScale);
m_stones.Update(g_gameTime.lastFrameDuration(), m_pos);
for(int i = 0; i < dustParticles; i++) {
createDustParticle();
}
cone1.Render();
cone2.Render();
m_stones.DrawStone();
ARX_SOUND_RefreshPosition(m_snd_loop, entities[m_target]->pos);
}
void moveParticles()
{
double dt = .01;
// printf("this is called at %lf\n", glfwGetTime());
UpdateParticles(dust,dustParticles,physical,springs,nsprings,dt,1, 1);
int dustPosNum = 0;
int index = 0;
for(index = 0; index < dustParticles; index++)
{
if(dust[index].age > dust[index].lifespan)
{
if(glfwGetTime() < 4)
{
createDustParticle(index);
// printf("created a new particle at %lf\n", glfwGetTime());
}
else
dustParticles--;
}
else
{
dustPos[index*3] = dust[index].p.x;
dustPos[index*3+1] = dust[index].p.y;
dustPos[index*3+2] = dust[index].p.z;
}
}
glGenBuffers(1, &dustBuffObj);
glBindBuffer(GL_ARRAY_BUFFER, dustBuffObj);
glBufferData(GL_ARRAY_BUFFER, sizeof(dustPos), dustPos, GL_STATIC_DRAW);
UpdateParticles(snow,snowParticles,physical,springs,nsprings,dt,1, 1);
int snowPosNum = 0;
for(index = 0; index < snowParticles; index++)
{
if(snow[index].age > snow[index].lifespan)
{
createSnowParticle(index);
}
else
{
snowPos[index*3] = snow[index].p.x;
snowPos[index*3+1] = snow[index].p.y;
snowPos[index*3+2] = snow[index].p.z;
}
}
glGenBuffers(1, &snowBuffObj);
glBindBuffer(GL_ARRAY_BUFFER, snowBuffObj);
glBufferData(GL_ARRAY_BUFFER, sizeof(snowPos), snowPos, GL_STATIC_DRAW);
}
