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/***************************************************************************
StdAnimation.cpp - description
-------------------
begin : Wed Jan 26 2000
copyright : (C) 2000 by Henrik Enqvist
email : henqvist@excite.com
***************************************************************************/
#include "Private.h"
#include "StdAnimation.h"
#include "Group.h"
#include "math.h"
#include "Light.h"
#include "BillBoard.h"
StdAnimation::StdAnimation(int step, int type) : Behavior() {
this->setType(EM_TYPE_STDANIMATION);
m_iAnimType = type;
m_iStep = step;
m_iTick = 0;
m_iIndex = 0;
m_vtxEnd.x = 0;
m_vtxEnd.y = 0;
m_vtxEnd.z = 0;
}
StdAnimation::~StdAnimation() {
}
void StdAnimation::add(float x, float y, float z) {
Vertex3D vtx;
vtx.x = x;
vtx.y = y;
vtx.z = z;
m_vVertex.push_back(vtx);
}
void StdAnimation::setEnd(float x, float y, float z) {
m_vtxEnd.x = x;
m_vtxEnd.y = y;
m_vtxEnd.z = z;
}
void StdAnimation::setEndStart() {
if (m_vVertex.size() == 0) return;
m_vtxEnd.x = m_vVertex[0].x;
m_vtxEnd.y = m_vVertex[0].y;
m_vtxEnd.z = m_vVertex[0].z;
}
void StdAnimation::onTick() {
EmAssert(this->getParent() != NULL, "Parent not allowed to be null");
float x, y, z;
float sX, sY, sZ;
float eX, eY, eZ;
float k=0.0;
int index;
int size = m_vVertex.size();
if (m_iTick >= size*m_iStep) {
m_iTick = 0;
}
index = (int)(m_iTick/m_iStep);
sX = m_vVertex[index].x;
sY = m_vVertex[index].y;
sZ = m_vVertex[index].z;
if (index + 1 < size) {
eX = m_vVertex[index+1].x;
eY = m_vVertex[index+1].y;
eZ = m_vVertex[index+1].z;
} else {
eX = m_vtxEnd.x;
eY = m_vtxEnd.y;
eZ = m_vtxEnd.z;
}
k = ((float)(m_iTick%m_iStep)/m_iStep);
x = (float)(sX + (eX - sX)*k);
y = (float)(sY + (eY - sY)*k);
z = (float)(sZ + (eZ - sZ)*k);
m_iTick++;
if (m_iAnimType & EM_TRANSLATION) {
this->getParent()->setTranslation(x, y, z);
} else if (m_iAnimType & EM_ROTATION) {
this->getParent()->setRotation(x, y, z);
} else if (m_iAnimType & EM_LIGHT) {
Light* l = this->getParent()->getLight();
if (l != NULL) {
l->setColor(x, y, z);
}
} else if (m_iAnimType & EM_BILLBOARD_SIZE) {
BillBoard * b = this->getParent()->getBillBoard();
if (b != NULL) {
b->setSize(x, y);
b->setZOffset(z);
}
}
}
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