辅助线绘制示例

绘制箭头

绘制可设置生命周期的箭头。

void LDrawArrowComponent::DrawLifeTimeArrow()
{
    CXMVECTOR vPos = GetPosition();
    CXMVECTOR vStart = vPos + m_sArrowStartLocal.GetVector();
    CXMVECTOR vEnd = vPos + m_sArrowEndLocal.GetVector();

    DebugDrawHelper::DrawDebugDirectionalArrow(GetScene(), DESIGN_LINE::DEFAULT,
        vStart, vEnd, m_fArrowSize, 
        m_nArrowColor, m_fArrowLifeTime);
}

绘制盒子

绘制可设置生命周期的盒子。

void LDrawBoxComponent::DrawLifeTimeBox()
{
    if (!m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sBoxPositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sBoxAngleLocal.GetAngle();
        CXMVECTOR vQuat = FXMath::AngleToQuat(vAngle);
        CXMVECTOR vExtent = m_vBoxExtent.GetVector();

        DebugDrawHelper::DrawDebugBox(GetScene(), DESIGN_LINE::DEFAULT,
            vPos, vExtent, vQuat, m_nBoxColor, m_fBoxLifeTime);
    }
}

每帧绘制盒子。

LDrawBoxComponent::LDrawBoxComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_bDrawPerFrame = true;
    m_vBoxExtent = custom_vector3_t(0.5F, 0.5F, 0.5F);
    m_nBoxColor = COLOR_ARGB(255, 0, 0, 255);
    m_fBoxLifeTime = 5.0F;
}

void LDrawBoxComponent::DrawWireBoxPerFrame()
{
    if (m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sBoxPositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sBoxAngleLocal.GetAngle();
        CXMMATRIX vRotationMT = XMMatrixRotationRollPitchYawFromVector(vAngle);
        CXMVECTOR vX = vRotationMT.r[0];
        CXMVECTOR vY = vRotationMT.r[1];
        CXMVECTOR vZ = vRotationMT.r[2];
        CXMVECTOR vExtent = m_vBoxExtent.GetVector();

        DebugDrawHelper::DrawOrientedWireBoxPerFrame(GetScene(),
            DESIGN_LINE::DEFAULT, vPos, vX, vY, vZ, vExtent, m_nBoxColor,
            m_DefaultDynamicColorPickID.GetColor());
    }
}

void LDrawBoxComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        DrawWireBoxPerFrame();
    }
}

绘制胶囊体

绘制可设置生命周期的胶囊体。

void LDrawCapsuleComponent::DrawLifeTimeCapsule()
{
    if (!m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sCapsulePositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sCapsuleAngleLocal.GetAngle();
        CXMVECTOR vQuat = FXMath::AngleToQuat(vAngle);

        DebugDrawHelper::DrawDebugCapsule(GetScene(),
            DESIGN_LINE::DEFAULT, vPos,
            m_fCapsuleHalfHeight, m_fCapsuleRadius,
            vQuat, m_nCapsuleColor, m_fCapsuleLifeTime);
    }
}

每帧绘制胶囊体。

LDrawCapsuleComponent::LDrawCapsuleComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_bDrawPerFrame = true;
    m_fCapsuleRadius = 0.5F;
    m_fCapsuleHalfHeight = 1.0F;
    m_nCapsuleNumSides = 16;
    m_nCapsuleColor = COLOR_ARGB(255, 0, 255, 255);
    m_fCapsuleLifeTime = 5.0F;
}

void LDrawCapsuleComponent::DrawWireCapsulePerFrame()
{
    if (m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sCapsulePositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sCapsuleAngleLocal.GetAngle();
        CXMMATRIX vRotationMT = XMMatrixRotationRollPitchYawFromVector(vAngle);
        CXMVECTOR vX = vRotationMT.r[0];
        CXMVECTOR vY = vRotationMT.r[1];
        CXMVECTOR vZ = vRotationMT.r[2];

        DebugDrawHelper::DrawWireCapsulePerFrame(GetScene(),
            DESIGN_LINE::DEFAULT, vPos, vX, vY, vZ,
            m_nCapsuleColor, m_DefaultDynamicColorPickID.GetColor(),
            m_fCapsuleRadius, m_fCapsuleHalfHeight, m_nCapsuleNumSides);
    }
}

void LDrawCapsuleComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        DrawWireCapsulePerFrame();
    }
}

绘制圆圈

绘制可设置生命周期的圆圈。

void LDrawCircleComponent::DrawLifeTimeCircle()
{
    if (!m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sCirclePositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sCircleAngleLocal.GetAngle();
        CXMMATRIX vRotationMT = XMMatrixRotationRollPitchYawFromVector(vAngle);
        CXMVECTOR vX = vRotationMT.r[0];
        CXMVECTOR vZ = vRotationMT.r[2];

        DebugDrawHelper::DrawDebugCircle(GetScene(),
            DESIGN_LINE::DEFAULT, vPos, vX, vZ,
            m_nCircleColor, m_fCircleRadius, m_nCircleNumSides,
            m_fCircleLifeTime);
    }
}

每帧绘制圆圈。

LDrawCircleComponent::LDrawCircleComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_bDrawPerFrame = true;
    m_fCircleRadius = 0.5F;
    m_nCircleNumSides = 32;
    m_nCircleColor = COLOR_ARGB(255, 255, 255, 0);
    m_fCircleLifeTime = 5.0F;
}

void LDrawCircleComponent::DrawCirclePerFrame()
{
    if (m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sCirclePositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sCircleAngleLocal.GetAngle();
        CXMMATRIX vRotationMT = XMMatrixRotationRollPitchYawFromVector(vAngle);
        CXMVECTOR vX = vRotationMT.r[0];
        CXMVECTOR vZ = vRotationMT.r[2];

        DebugDrawHelper::DrawCirclePerFrame(GetScene(),
            DESIGN_LINE::DEFAULT, vPos, vX, vZ,
            m_nCircleColor, m_DefaultDynamicColorPickID.GetColor(),
            m_fCircleRadius, m_nCircleNumSides);
    }
}

void LDrawCircleComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        DrawCirclePerFrame();
    }
}

绘制半圆

绘制可设置生命周期的半圆。

void LDrawHalfCircleComponent::DrawLifeTimeHalfCircle()
{
    if (!m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sHalfCirclePositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sHalfCircleAngleLocal.GetAngle();
        CXMMATRIX vRotationMT = XMMatrixRotationRollPitchYawFromVector(vAngle);
        CXMVECTOR vX = vRotationMT.r[0];
        CXMVECTOR vZ = vRotationMT.r[2];

        DebugDrawHelper::DrawDebugHalfCircle(GetScene(),
            DESIGN_LINE::DEFAULT, vPos, vX, vZ,
            m_nHalfCircleColor, m_fHalfCircleRadius,
            m_nHalfCircleNumSides, m_fHalfCircleLifeTime);
    }
}

每帧绘制半圆。

LDrawHalfCircleComponent::LDrawHalfCircleComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_bDrawPerFrame = true;
    m_fHalfCircleRadius = 0.5F;
    m_nHalfCircleNumSides = 16;
    m_nHalfCircleColor = COLOR_ARGB(255, 255, 0, 255);
    m_fHalfCircleLifeTime = 5.0F;
}

void LDrawHalfCircleComponent::DrawHalfCirclePerFrame()
{
    if (m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition() + m_sHalfCirclePositionLocal.GetVector();
        CXMVECTOR vAngle = GetAngle() + m_sHalfCircleAngleLocal.GetAngle();
        CXMMATRIX vRotationMT = XMMatrixRotationRollPitchYawFromVector(vAngle);
        CXMVECTOR vX = vRotationMT.r[0];
        CXMVECTOR vZ = vRotationMT.r[2];

        DebugDrawHelper::DrawHalfCirclePerFrame(GetScene(),
            DESIGN_LINE::DEFAULT, vPos, vX, vZ,
            m_nHalfCircleColor, m_DefaultDynamicColorPickID.GetColor(),
            m_fHalfCircleRadius, m_nHalfCircleNumSides);
    }
}

void LDrawHalfCircleComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        DrawHalfCirclePerFrame();
    }
}

绘制线条

绘制可设置生命周期的线条。

void LDrawLineComponent::DrawLifeTimeLine()
{
    if (!m_bDrawPerFrame)
    {
        CXMVECTOR vPos = GetPosition();
        CXMVECTOR vStart = vPos + m_sLineStartLocal.GetVector();
        CXMVECTOR vEnd = vPos + m_sLineEndLocal.GetVector();

        DebugDrawHelper::DrawDebugLine(GetScene(), DESIGN_LINE::DEFAULT,
            vStart, vEnd, m_nLineColor, m_fLineLifeTime);
    }
}

每帧绘制线条。

LDrawLineComponent::LDrawLineComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_bDrawPerFrame = true;
    m_sLineStartLocal = custom_vector3_t(0.0F, 0.0F, -0.5F);
    m_sLineEndLocal = custom_vector3_t(0.0F, 0.0F, 0.5F);
    m_nLineColor = COLOR_ARGB(255, 255, 0, 0);
    m_fLineLifeTime = 5.0F;
}

void LDrawLineComponent::DrawLinePerFrame()
{
    if (m_bDrawPerFrame)
    {
        XMVECTOR vPos = GetPosition();

        DebugDrawHelper::DrawLinePerFrame(GetScene(), DESIGN_LINE::DEFAULT,
            vPos + m_sLineStartLocal.GetVector(),
            vPos + m_sLineEndLocal.GetVector(),
            m_nLineColor, m_DefaultDynamicColorPickID.GetColor());
    }
}

void LDrawLineComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        DrawLinePerFrame();
    }
}

绘制多边形

通过线条列表每帧绘制多边形。

LDrawPolygonComponent::LDrawPolygonComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_bWiredPolygon = true;
    m_nPolygonEdges = 32;
    m_fPolygonRadius = 0.5F;
    m_nPolygonColor = COLOR_ARGB(255, 0, 128, 128);
    m_bPolygonCacheDirty = true;
}

void LDrawPolygonComponent::DrawWiredPolygonPerFrame()
{
    CXMVECTOR vPos = GetPosition() + m_sPolygonPositionLocal.GetVector();
    CXMVECTOR vAngle = GetAngle() + m_sPolygonAngleLocal.GetAngle();
    CXMVECTOR vQuat = FXMath::AngleToQuat(vAngle);

    FTransform mtx;
    mtx.SetLocation(vPos);
    mtx.SetQuat(vQuat);

    if (m_bPolygonCacheDirty)
    {
        RefreshWiredPolygonCache();
    }

    // Draw wired polygon with line list
    DebugDrawHelper::DrawLineListPerFrame(GetScene(),
        DESIGN_LINE::DEFAULT, mtx, m_WiredPolygonVertsCache,
        m_WiredPolygonIndicesCache, m_DefaultDynamicColorPickID.GetColor());
}

void LDrawPolygonComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        if (m_bWiredPolygon)
        {
            DrawWiredPolygonPerFrame();
        }
        else
        {
            DrawPolygonPerFrame();
        }
    }
}

通过三角形列表每帧绘制多边形。

LDrawPolygonComponent::LDrawPolygonComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_bWiredPolygon = true;
    m_nPolygonEdges = 32;
    m_fPolygonRadius = 0.5F;
    m_nPolygonColor = COLOR_ARGB(255, 0, 128, 128);
    m_bPolygonCacheDirty = true;
}

void LDrawPolygonComponent::DrawPolygonPerFrame()
{
    CXMVECTOR vPos = GetPosition() + m_sPolygonPositionLocal.GetVector();
    CXMVECTOR vAngle = GetAngle() + m_sPolygonAngleLocal.GetAngle();
    CXMVECTOR vQuat = FXMath::AngleToQuat(vAngle);

    FTransform mtx;
    mtx.SetLocation(vPos);
    mtx.SetQuat(vQuat);

    if (m_bPolygonCacheDirty)
    {
        RefreshPolygonCache();
    }

    // Draw polygon with triangle list
    DebugDrawHelper::DrawTriangleListPerFrame(GetScene(),
        DESIGN_LINE::DEFAULT, mtx, m_PolygonVertsCache,
        m_PolygonIndicesCache, m_DefaultDynamicColorPickID.GetColor());
}

void LDrawPolygonComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        if (m_bWiredPolygon)
        {
            DrawWiredPolygonPerFrame();
        }
        else
        {
            DrawPolygonPerFrame();
        }
    }
}

绘制球体

绘制可设置生命周期的球体。

void LDrawSphereComponent::DrawLifeTimeSphere()
{
    CXMVECTOR vPos = GetPosition() + m_sSpherePositionLocal.GetVector();

    DebugDrawHelper::DrawDebugSphere(GetScene(), DESIGN_LINE::DEFAULT,
        vPos, m_fSphereRadius, m_nSphereSegments, 
        m_nSphereColor, m_fSphereLifeTime);
}

绘制三角形

每帧绘制三角形。

LDrawTriangleComponent::LDrawTriangleComponent()
{
    //////////////////////////////////////////////////////////////////////////
    m_ComponentUpdate.bAllowUpdate = true;
    m_ComponentUpdate.InitUpdateGroup(UPDATE_GROUP_ENUM::PrePhysics);

    m_bAutoActivate = true;
    //////////////////////////////////////////////////////////////////////////

    m_sTriangleV1Local = custom_vector3_t(0.0F, 0.0F, 0.5F);
    m_sTriangleV2Local = custom_vector3_t(-0.5F, 0.0F, 0.0F);
    m_sTriangleV3Local = custom_vector3_t(0.5F, 0.0F, 0.0F);
    m_nTriangleV1Color = COLOR_ARGB(255, 255, 0, 0);
    m_nTriangleV2Color = COLOR_ARGB(255, 0, 255, 0);
    m_nTriangleV3Color = COLOR_ARGB(255, 0, 0, 255);
}

void LDrawTriangleComponent::DrawTrianglePerFrame()
{
    XMVECTOR vPos = GetPosition();

    DebugDrawHelper::DrawTrianglePerFrame(GetScene(), DESIGN_LINE::DEFAULT,
        vPos + m_sTriangleV1Local.GetVector(), m_nTriangleV1Color,
        vPos + m_sTriangleV2Local.GetVector(), m_nTriangleV2Color,
        vPos + m_sTriangleV3Local.GetVector(), m_nTriangleV3Color, 
        m_DefaultDynamicColorPickID.GetColor());
}

void LDrawTriangleComponent::UpdateComponent(float fDeltaTime, 
    LEVEL_UPDATE_ENUM nUpdateType, 
    CComponentUpdateFunction* pThisUpdateFunction)
{
    LPrimitiveComponent::UpdateComponent(fDeltaTime, nUpdateType,
        pThisUpdateFunction);

    if (ShouldRender())
    {
        DrawTrianglePerFrame();
    }
}