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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "TracerProjectile.h"
#include "Rendering/GL/myGL.h"
CR_BIND_DERIVED(CTracerProjectile, CProjectile, )
CR_REG_METADATA(CTracerProjectile,
(
CR_MEMBER(speedf),
CR_MEMBER(drawLength),
CR_MEMBER_BEGINFLAG(CM_Config),
CR_MEMBER(length),
CR_MEMBER_ENDFLAG(CM_Config),
CR_RESERVED(8)
))
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CTracerProjectile::CTracerProjectile()
: speedf(0.0f)
, length(0.0f)
, drawLength(0.0f)
{
checkCol = false;
}
CTracerProjectile::CTracerProjectile(CUnit* owner, const float3& pos, const float3& spd, const float range)
: CProjectile(pos, spd, owner, false, false, false)
, length(range)
, drawLength(0.0f)
{
SetRadiusAndHeight(1.0f, 0.0f);
checkCol = false;
// Projectile::Init has been called by base ctor, so .w is defined
// FIXME: constant, assumes |speed| never changes after creation
speedf = this->speed.w;
}
void CTracerProjectile::Init(const CUnit* owner, const float3& offset)
{
CProjectile::Init(owner, offset);
// FIXME: constant,assumes |speed| never changes after creation
speedf = speed.w;
}
void CTracerProjectile::Update()
{
pos += speed;
drawLength += speedf;
length -= speedf;
deleteMe |= (length < 0.0f);
}
void CTracerProjectile::Draw()
{
if (drawLength > 3) {
drawLength = 3;
}
glTexCoord2f(1.0f/16, 1.0f/16);
glColor4f(1, 1, 0.1f, 0.4f);
glBegin(GL_LINES);
glVertexf3(drawPos);
glVertexf3(drawPos-dir * drawLength);
glEnd();
glColor4f(1, 1, 1, 1);
glTexCoord2f(0, 0);
}
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