| private glScalef ( float x, float y, float z ) : void | ||
| x | float | |
| y | float | |
| z | float | |
| return | void | |
public void DrawShadow()
{
GL.glPushMatrix();
GL.glNewList(Robot_SHADOW_LIST, GL.GL_COMPILE);
//build the Robot
GL.glTranslatef(0, Jump, 0);
GL.glTranslatef(0, 1.3f, 0);
// build Robot head
GL.glCallList(HEAD_SHADOW_LIST);
GL.glTranslatef(0, -1.3f, 0);
// build Robot body
GL.glCallList(BODY_SHADOW_LIST);
//build Robot hands
DrawShadowHand(false); //left hand
GL.glRotatef(180, 0, 1, 0);
if (WeaponIndex == 1 || WeaponIndex == 2)
{
GL.glScalef(-1, 1, 1);
}
DrawShadowHand(true); //right hand
//build Robot legs
GL.glRotatef(90, 1, 0, 0);
GL.glTranslatef(0, 0, 1.9f);
GL.glTranslatef(0, 0.3f, 0);
DrawShadowLeg(false); //left leg
GL.glTranslatef(0, -0.6f, 0);
DrawShadowLeg(true); //right leg
GL.glEndList();
GL.glPopMatrix();
}
void StartReflaction(int x, int y, int z)
{
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
//only floor, draw only to STENCIL buffer
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF); // draw floor always
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
GL.glPushMatrix();
GL.glRotated(90, 0, 1, 0);
GL.glTranslatef(0, -4, 0);
mirror.Draw();
GL.glPopMatrix();
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
GL.glEnable(GL.GL_STENCIL_TEST);
// draw reflected scene
GL.glPushMatrix();
GL.glScalef(x, y, z); //swap on Z axis
}
public void Scale(float x, float y, float z)
{
if (!isMatrixPushed)
{
GL.glPushMatrix();
isMatrixPushed = true;
}
GL.glScalef(x, y, z);
}
public void PrepareAndDrawShadow()
{
CAR_SHADOW_LIST = GL.glGenLists(1);
CAR_SHADOW = CAR_SHADOW_LIST + 1;
GL.glPushMatrix();
GL.glNewList(CAR_SHADOW, GL.GL_COMPILE);
GL.glTranslatef(0, -5.5f, 0);
GL.glScalef(0.1f, 0.1f, 0.1f);
carModel.DrawModel(false, 1);
GL.glPopMatrix();
GL.glEndList();
GL.glPopMatrix();
}
void FractalTreeRec(int level)
{
if (level == size)
{
GL.glPushMatrix();
GL.glRotated(rand.NextDouble() * 180, 0, 1, 0);
GL.glCallList(STEM_AND_LEAVS_LIST + currentTree);
for (int i = applesRate; i > 0; i--)
{
if (rand.Next(1, 3) == 1)
{
GL.glPushMatrix();
GL.glTranslatef(0, (float)1 / i, 0);
GL.glCallList(APPLE_MAT);
GL.glCallList(APPLE_LIST);
GL.glCallList(TREE_MAT);
GL.glPopMatrix();
}
}
GL.glPopMatrix();
}
else
{
GL.glCallList(STEM_LIST + currentTree);
GL.glPushMatrix();
GL.glRotated(rand.NextDouble() * 180, 0, 1, 0);
GL.glTranslatef(0, 1 + size / 10, 0);
GL.glScalef(0.7f, 0.7f, 0.7f);
GL.glPushMatrix();
GL.glRotated(110 + rand.NextDouble() * 40, 0, 1, 0);
GL.glRotated(30 + rand.NextDouble() * 20, 0, 0, 1);
FractalTreeRec(level + 1);
GL.glPopMatrix();
GL.glPushMatrix();
GL.glRotated(-130 + rand.NextDouble() * 40, 0, 1, 0);
GL.glRotated(30 + rand.NextDouble() * 20, 0, 0, 1);
FractalTreeRec(level + 1);
GL.glPopMatrix();
GL.glPushMatrix();
GL.glRotated(-20 + rand.NextDouble() * 40, 0, 1, 0);
GL.glRotated(30 + rand.NextDouble() * 20, 0, 0, 1);
FractalTreeRec(level + 1);
GL.glPopMatrix();
GL.glPopMatrix();
}
}
private void DrawAll()
{
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
//only floor, draw only to STENCIL buffer
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF); // draw floor always
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
DrawSea();
// restore regular settings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
GL.glEnable(GL.GL_STENCIL_TEST);
// draw reflected scene
GL.glPushMatrix();
GL.glEnable(GL.GL_CULL_FACE);
GL.glScalef(1, 1, -1); //swap on Z axis
GL.glCullFace(GL.GL_FRONT);
DrawReflected();
GL.glCullFace(GL.GL_BACK);
DrawReflected();
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
// really draw floor
//( half-transparent ( see its color's alpha byte)))
// in order to see reflected objects
GL.glDepthMask((byte)GL.GL_FALSE);
DrawSea();
GL.glDepthMask((byte)GL.GL_TRUE);
// Disable GL.GL_STENCIL_TEST to show All, else it will be cut on GL.GL_STENCIL
GL.glDisable(GL.GL_STENCIL_TEST);
DrawReflected();
}
void DrawBounds()
{
if (isBounds)
{
GL.glScalef(0.99f, 0.99f, 0.99f);
GL.glLineWidth(2);
GL.glColor3f(1.0f, 0.0f, 0.0f);
GL.glDisable(GL.GL_LIGHTING);
GL.glBegin(GL.GL_LINE_LOOP);
GL.glVertex3f(-1, -1, -1);
GL.glVertex3f(1, -1, -1);
GL.glVertex3f(1, -1, 1);
GL.glVertex3f(-1, -1, 1);
GL.glEnd();
GL.glBegin(GL.GL_LINE_LOOP);
GL.glVertex3f(-1, 1, -1);
GL.glVertex3f(1, 1, -1);
GL.glVertex3f(1, 1, 1);
GL.glVertex3f(-1, 1, 1);
GL.glEnd();
GL.glBegin(GL.GL_LINES);
GL.glVertex3f(-1, -1, -1);
GL.glVertex3f(-1, 1, -1);
GL.glVertex3f(1, -1, -1);
GL.glVertex3f(1, 1, -1);
GL.glVertex3f(1, -1, 1);
GL.glVertex3f(1, 1, 1);
GL.glVertex3f(-1, -1, 1);
GL.glVertex3f(-1, 1, 1);
GL.glEnd();
GL.glScalef(1.0f / 0.99f, 1.0f / 0.99f, 1.0f / 0.99f);
}
GL.glEnable(GL.GL_COLOR_MATERIAL);
GL.glEnable(GL.GL_LIGHTING);
GL.glEnable(GL.GL_LIGHT0);
GL.glTranslatef(0.1f, 0.2f, -0.7f);
GL.glColor3f(0, 1, 0);
GLU.gluSphere(obj, 0.05, 16, 16);
GL.glTranslatef(-0.1f, -0.2f, 0.7f);
GL.glDisable(GL.GL_LIGHTING);
}
public void Draw(bool isForShades)
{
GL.glPushMatrix();
GL.glScalef(-1, 1, 1);
GL.glRotatef(-90, 0, 1, 0);
GL.glTranslatef(7, 0, 0);
GL.glTranslatef(0, 0, (Drive % 46) - 23);
if (!isForShades)
{
GL.glEnable(GL.GL_LIGHTING);
GL.glCallList(CAR);
}
else
{
GL.glDisable(GL.GL_LIGHTING);
GL.glCallList(CAR_SHADOW);
}
GL.glPopMatrix();
}
public void DrawShadowLeg(bool side)
{
GL.glPushMatrix();
if (side == false)
{
GL.glRotatef(LegLeftUpAngle, 0, 1, 0);
}
else
{
GL.glRotatef(LegRightUpAngle, 0, 1, 0);
}
GLU.gluSphere(obj, radius * 1.7, 20, 20);
GL.glCallList(LEG_UP_SHADOW_LIST);
if (side == false)
{
if (WeaponIndex == 1 || WeaponIndex == 2)
{
GL.glRotatef(LegLeftDownAngle, 0, 1, 0);
}
else
{
GL.glScalef(-1, 1, 1);
GL.glRotatef(LegLeftDownAngle, 0, 1, 0);
GL.glScalef(1, 1, 1);
}
}
else
if (WeaponIndex == 1 || WeaponIndex == 2)
{
GL.glRotatef(LegRightDownAngle, 0, 1, 0);
}
else
{
GL.glScalef(-1, 1, 1);
GL.glRotatef(LegRightDownAngle, 0, 1, 0);
GL.glScalef(1, 1, 1);
}
GL.glCallList(LEG_DOWN_SHADOW_LIST);
GL.glPopMatrix();
}
private void drawGyroPyramid()
{
GL.glPushMatrix();
GL.glScalef(1.0f, -1.0f, 1.0f); // scale the position to draw the pyramid at vertical inversion
drawSquareSurface(PyramidWidth, 0.0f, PyramidDepth, eAxis.Y);
GL.glBegin(GL.GL_TRIANGLES);
// first x axis
GL.glNormal3f(-0.81373f, 0.58124f, 0);
GL.glVertex3f(0.0f, 0.0f, 0.0f);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(0.0f, 0.0f, PyramidDepth);
// second x axis
GL.glNormal3f(0.81373f, 0.58124f, 0);
GL.glVertex3f(PyramidWidth, 0.0f, 0.0f);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(PyramidWidth, 0.0f, PyramidDepth);
// first Z axis
GL.glNormal3f(0, 0.58124f, -0.81373f);
GL.glVertex3f(0.0f, 0.0f, 0.0f);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(PyramidWidth, 0.0f, 0.0f);
// second Z axis
GL.glNormal3f(0, 0.58124f, 0.81373f);
GL.glVertex3f(0.0f, 0.0f, PyramidDepth);
GL.glVertex3f(PyramidWidth / 2, PyramidHeight, PyramidDepth / 2);
GL.glVertex3f(PyramidWidth, 0.0f, PyramidDepth);
GL.glEnd();
GL.glPopMatrix();
}
public void DrawFrame()
{
//draw the Frame of mirror
radius = 0.18f;
GL.glPushMatrix();
GL.glColor3f(0.3f, 0.1f, 0.0f);
GL.glTranslatef(0, -1, 3);
GLU.gluSphere(obj, radius, 20, 20);
GL.glTranslatef(0, 1, -3);
GL.glTranslatef(0, -1, -3f);
GLU.gluCylinder(obj, radius, radius, radius * 33, 20, 20);
GLU.gluSphere(obj, radius, 20, 20);
GL.glTranslatef(0, -5.9f, 0);
GLU.gluCylinder(obj, radius, radius, radius * 33, 20, 20);
GLU.gluSphere(obj, radius, 20, 20);
GL.glRotatef(-90, 1, 0, 0);
GLU.gluCylinder(obj, radius, radius, radius * 33, 20, 20);
GLU.gluSphere(obj, radius, 20, 20);
GL.glScalef(-1, 1, 1);
GL.glTranslatef(0, -6, 0);
GLU.gluCylinder(obj, radius, radius, radius * 33, 20, 20);
GLU.gluSphere(obj, radius, 20, 20);
GL.glPopMatrix();
}
public void Draw(bool isForShades)
{
GL.glPushMatrix();
GL.glTranslatef(0, -7, 0);
//adapt Robot size to models
GL.glScalef(0.5f, 0.5f, 0.5f);
GL.glTranslatef(0, Jump * 1.3f, 0);
GL.glRotatef(Angle, 0, 0, 1);
GL.glRotatef(AngleCrash / 4, 0, 0, 1);
GL.glRotatef(AngleCrash, 1, 0, 0);
GL.glRotatef(-AngleCrash * 2, 0, 1, 0);
GL.glRotatef(AngleWeapon3, 0, 1, 0);
GL.glTranslatef(0, -Jump * 1.3f, 0);
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
GL.glTranslatef(0, 3.7f, 0);
if (!isForShades)
{
GL.glEnable(GL.GL_LIGHTING);
GL.glColor3f(0.5f, 0.5f, 0.9f);
GL.glCallList(Robot_LIST);
}
else
{
GL.glDisable(GL.GL_LIGHTING);
GL.glColor3f(0, 0, 0);
GL.glCallList(Robot_SHADOW_LIST);
}
GL.glPopMatrix();
}
public void Draw()
{
//Shadows
pos[0] = 0;//ScrollValue[9];
pos[1] = ScrollValue[8];
pos[2] = ScrollValue[7];
pos[3] = ScrollValue[9];
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
GL.glLoadIdentity();
// not trivial
double[] ModelVievMatrixBeforeSpecificTransforms = new double[16];
double[] CurrentRotationTraslation = new double[16];
GLU.gluLookAt(ScrollValue[0], ScrollValue[1], ScrollValue[2],
ScrollValue[3], ScrollValue[4], ScrollValue[5],
ScrollValue[6], ScrollValue[7], ScrollValue[8]);
GL.glTranslatef(0.0f, 0.0f, -1.0f);
if (!bPerspective)
{
GL.glTranslatef(0.0f, 0.0f, 8.0f);
}
//3D model b3
GL.glTranslatef(0.0f, -5.0f, -15.0f);
GL.glRotated(180, 0, 1, 0);
//3D model e
//save current ModelView Matrix values
//in ModelVievMatrixBeforeSpecificTransforms array
//ModelView Matrix ========>>>>>> ModelVievMatrixBeforeSpecificTransforms
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, ModelVievMatrixBeforeSpecificTransforms);
//ModelView Matrix was saved, so
// GL.glLoadIdentity(); // make it identity matrix
GL.glLoadIdentity(); // make it identity matrix
//make transformation in accordance to KeyCode
float delta;
if (intOptionC != 0)
{
delta = 5.0f * Math.Abs(intOptionC) / intOptionC; // signed 5
switch (Math.Abs(intOptionC))
{
case 1:
GL.glRotatef(delta, 1, 0, 0);
break;
case 2:
GL.glRotatef(delta, 0, 1, 0);
break;
case 3:
GL.glRotatef(delta, 0, 0, 1);
break;
case 4:
GL.glTranslatef(delta / 20, 0, 0);
break;
case 5:
GL.glTranslatef(0, delta / 20, 0);
break;
case 6:
GL.glTranslatef(0, 0, delta / 20);
break;
}
}
//as result - the ModelView Matrix now is pure representation
//of KeyCode transform and only it !!!
//save current ModelView Matrix values
//in CurrentRotationTraslation array
//ModelView Matrix =======>>>>>>> CurrentRotationTraslation
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, CurrentRotationTraslation);
//The GL.glLoadMatrix function replaces the current matrix with
//the one specified in its argument.
//The current matrix is the
//projection matrix, modelview matrix, or texture matrix,
//determined by the current matrix mode (now is ModelView mode)
GL.glLoadMatrixd(AccumulatedRotationsTraslations); //Global Matrix
//The GL.glMultMatrix function multiplies the current matrix by
//the one specified in its argument.
//That is, if M is the current matrix and T is the matrix passed to
//GL.glMultMatrix, then M is replaced with M • T
GL.glMultMatrixd(CurrentRotationTraslation);
//save the matrix product in AccumulatedRotationsTraslations
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
//replace ModelViev Matrix with stored ModelVievMatrixBeforeSpecificTransforms
GL.glLoadMatrixd(ModelVievMatrixBeforeSpecificTransforms);
//multiply it by KeyCode defined AccumulatedRotationsTraslations matrix
GL.glMultMatrixd(AccumulatedRotationsTraslations);
GL.glEnable(GL.GL_TEXTURE_2D);
if (!rotate)
{
GL.glRotatef(0, 0, 20, 0);
GL.glDepthRange(1, 1);////////if the zebra behind the cube, change to (1,1)
GL.glPushMatrix();
DrawTexturedCube();
GL.glPopMatrix();
}
else
{
GL.glRotatef(0, 0, 20, 0);
GL.glDepthRange(1, 1);
GL.glPushMatrix();
angle -= 0.1f;
GL.glRotatef(angle, 0, 2, 0);
DrawTexturedCube();
GL.glPopMatrix();
}
GL.glRotated(100, 0, 90, 0);
GL.glScaled(0.05, 0.05, 0.05);
GL.glRotated(-90, 180, 0, 0);
GL.glScaled(30, 30, 30);
DrawFigures();
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
//only floor, draw only to STENCIL buffer
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF); // draw floor always
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
// restore regular settings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glEnable(GL.GL_STENCIL_TEST);
// draw reflected scene
GL.glPushMatrix();
GL.glScalef(1, 1, -1); //swap on Z axis
GL.glEnable(GL.GL_CULL_FACE);
GL.glCullFace(GL.GL_BACK);
DrawFigures();
GL.glCullFace(GL.GL_FRONT);
DrawFigures();
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
// really draw floor
//( half-transparent ( see its color's alpha byte)))
// in order to see reflected objects
GL.glDepthMask((byte)GL.GL_FALSE);
DrawFloor();
GL.glDepthMask((byte)GL.GL_TRUE);
// Disable GL.GL_STENCIL_TEST to show All, else it will be cut on GL.GL_STENCIL
GL.glDisable(GL.GL_STENCIL_TEST);
DrawFigures();
//REFLECTION e
GL.glFlush();
WGL.wglSwapBuffers(m_uint_DC);
}
/**********************************************************************************************************
*
*
*
* MAIN DRAW FUNCTION
*
*
*
**********************************************************************************************************/
public void Draw()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
GL.glViewport(0, 0, Width, Height);
GL.glLoadIdentity();
GLU.gluLookAt(ScrollValue[0], ScrollValue[1], ScrollValue[2],
ScrollValue[3], ScrollValue[4], ScrollValue[5],
ScrollValue[6], ScrollValue[7], ScrollValue[8]);
GL.glRotatef(xAngle, 1.0f, 0.0f, 0.0f);
GL.glRotatef(yAngle, 0.0f, 1.0f, 0.0f);
GL.glRotatef(zAngle, 0.0f, 0.0f, 1.0f);
GL.glTranslatef(xShift, yShift, zShift);
pos[0] = light_position[0] = ScrollValue[9];
pos[1] = light_position[1] = ScrollValue[10];
pos[2] = light_position[2] = ScrollValue[11];
pos[3] = light_position[3] = 0;
GL.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, light_ambient);
GL.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, light_diffuse);
GL.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, light_specular);
GL.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, light_position);
GL.glLightModelfv(GL.GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
GL.glEnable(GL.GL_LIGHT0);
/*
*
* Reflection
*
*/
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
if (reflectionOn)
{
//draw only to STENCIL buffer
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF);
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
drawLake();
// restore regular settings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
/*
*
* draw reflected scene
*
*/
GL.glEnable(GL.GL_LIGHTING);
for (currentTree = 0; currentTree < numOfTrees; currentTree++)
{
GL.glPushMatrix();
//GL.glTranslated(randX[currentTree], 0,randZ[currentTree]);
GL.glTranslated(locationX[currentTree], 0, locationZ[currentTree]);
GL.glRotated(locationRotateY[currentTree], 0, 1, 0);
GL.glScalef(1, -1, 1); //swap on Z axis
if (scullFaceOn)
{
GL.glEnable(GL.GL_CULL_FACE);
GL.glCullFace(GL.GL_BACK);
GL.glCallList(TREE_LIST + currentTree);
GL.glCullFace(GL.GL_FRONT);
GL.glCallList(TREE_LIST + currentTree);
GL.glDisable(GL.GL_CULL_FACE);
}
else
{
GL.glCallList(TREE_LIST + currentTree);
}
GL.glPopMatrix();
}
drawLake();
GL.glStencilFunc(GL.GL_NOTEQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
// really draw floor
//( half-transparent ( see its color's alpha byte)))
// in order to see reflected objects
//GL.glDepthMask((byte)GL.GL_FALSE);
GL.glDepthMask((byte)GL.GL_TRUE);
if (!textureOn)
{
drawFloor();
}
else
{
drawFloorTextured();
DrawTexturedCube();
}
GL.glDisable(GL.GL_LIGHTING);
GL.glDisable(GL.GL_STENCIL_TEST);
}
else
{
GL.glEnable(GL.GL_LIGHTING);
drawLake();
if (!textureOn)
{
drawFloor();
}
else
{
drawFloorTextured();
DrawTexturedCube();
}
GL.glDisable(GL.GL_LIGHTING);
}
DrawLight();
/*
* Draw trees
*/
GL.glEnable(GL.GL_LIGHTING);
GL.glPushMatrix();
for (currentTree = 0; currentTree < numOfTrees; currentTree++)
{
GL.glPushMatrix();
//GL.glTranslated(randX[currentTree], 0, randZ[currentTree]);
GL.glTranslated(locationX[currentTree], 0, locationZ[currentTree]);
GL.glRotated(locationRotateY[currentTree], 0, 1, 0);
GL.glCallList(TREE_LIST + currentTree);
GL.glPopMatrix();
}
GL.glPopMatrix();
/*
* Draw trees shadows
*/
GL.glDisable(GL.GL_LIGHTING);
GL.glColor3d(0, 0, 0);
if (shadowOn)
{
GL.glPushMatrix();
MakeShadowMatrix(ground);
GL.glMultMatrixf(cubeXform);
for (currentTree = 0; currentTree < numOfTrees; currentTree++)
{
GL.glPushMatrix();
//GL.glTranslated(randX[currentTree], 0, randZ[currentTree]);
GL.glTranslated(locationX[currentTree], 0, locationZ[currentTree]);
GL.glRotated(locationRotateY[currentTree], 0, 1, 0);
GL.glCallList(TREE_LIST + currentTree);
GL.glPopMatrix();
}
GL.glPopMatrix();
}
GL.glFlush();
WGL.wglSwapBuffers(m_uint_DC);
}
void DrawMirrors()
{
//only wall, draw only to STENCIL buffer
GL.glEnable(GL.GL_BLEND);
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE); // change stencil according to the object color
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF); // draw wall always
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
// add mirrors for STENCIL buffer
backMirrorSurface.Draw(backMinusArray);
rightMirrorSurface.Draw(rightMinusArray);
leftMirrorSurface.Draw(leftMinusArray);
// restore regular settings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP); // keep object origenal color
GL.glEnable(GL.GL_STENCIL_TEST);
// draw reflected scene for back mirror
GL.glPushMatrix();
GL.glScalef(1, 1, -1); //swap on Z axis
GL.glTranslated(0, 0, mirrorWidth);
rubiksCube.Draw();
GL.glPopMatrix();
// draw reflected left mirror scene for right mirror scene
GL.glPushMatrix();
//GL.glScalef(-1, 1, 1); //swap on Z axis
GL.glTranslated(mirrorWidth * 2, 0, 0);
rubiksCube.Draw();
GL.glPopMatrix();
// draw reflected scene for right mirror
GL.glPushMatrix();
GL.glScalef(-1, 1, 1); //swap on X axis
GL.glTranslated(-mirrorWidth, 0, 0);
leftMirrorSurface.Draw(leftMinusArray);
rubiksCube.Draw();
GL.glPopMatrix();
// draw reflected right mirror scene for left mirror scene
GL.glPushMatrix();
//GL.glScalef(-1, 1, 1); //swap on Z axis
GL.glTranslated(-mirrorWidth * 2, 0, 0);
rubiksCube.Draw();
GL.glPopMatrix();
// draw reflected scene for left mirror
GL.glPushMatrix();
GL.glScalef(-1, 1, 1); //swap on X axis
GL.glTranslated(mirrorWidth, 0, 0);
rightMirrorSurface.Draw(rightMinusArray);
rubiksCube.Draw();
GL.glPopMatrix();
// really draw wall
//( half-transparent ( see its color's alpha byte)))
// in order to see reflected objects
GL.glDepthMask((byte)GL.GL_FALSE);
backMirrorSurface.Draw(backMinusArray);
Console.WriteLine((((-1.0 / 15) * (-90 - rightMirrorSurface.AngleY))));
Console.WriteLine(rightMirrorSurface.AngleY);
if (ScrollValue[1] < (3 + 5 * ((-1.0 / 15) * (-90 - rightMirrorSurface.AngleY))) && ScrollValue[1] > -(3 + 5 * ((-1.0 / 15) * (-90 - rightMirrorSurface.AngleY)))) // TODO: need to consider with --> cGL.rightMirrorSurface.AngleY >= -90
{
rightMirrorSurface.Draw(rightMinusArray);
leftMirrorSurface.Draw(leftMinusArray);
}
else if (ScrollValue[1] < (3 + 5 * ((-1.0 / 15) * (-90 - rightMirrorSurface.AngleY))))
{
leftMirrorSurface.DrawAsWall(leftWallColorArray, leftMinusArray);
rightMirrorSurface.Draw(rightMinusArray);
}
else
{
rightMirrorSurface.DrawAsWall(rightWallColorArray, rightMinusArray);
leftMirrorSurface.Draw(leftMinusArray);
}
GL.glDepthMask((byte)GL.GL_TRUE);
// Disable GL.GL_STENCIL_TEST to show All, else it will be cut on GL.GL_STENCIL
GL.glDisable(GL.GL_STENCIL_TEST);
// GL.glEnable(GL.GL_DEPTH_TEST);
//GL.glDisable(GL.GL_DEPTH_TEST);
//GL.glClear(GL.GL_DEPTH_BUFFER_BIT);
//GL.glDepthFunc(GL.GL_LESS);
//GL.glDepthFunc(GL.GL_GREATER);
// GL.glDisable(GL.GL_BLEND);
}
void DrawDynamicShadowHand()
{
switch (WeaponIndex)
{
case 0:
GL.glPushMatrix();
GL.glNewList(SHOULDER_SHADOW_LIST, GL.GL_COMPILE);
//shoulder
GL.glTranslatef(0, 0.6f, 0);
GL.glTranslated(0, 0, shoulderLength - 0.55);
GL.glRotatef(55, 1, 0, 0);
GLU.gluCylinder(obj, radius, radius, shoulderLength, 20, 20);
GL.glTranslated(0, 0, shoulderLength);
GLU.gluSphere(obj, 1.3 * radius, 20, 20);
GL.glEndList();
GL.glPopMatrix();
GL.glPushMatrix();
GL.glNewList(ARM_SHADOW_LIST, GL.GL_COMPILE);
//arm
GL.glRotatef(-30, 1, 0, 0);
GLU.gluCylinder(obj, radius, radius, armLength, 20, 20);
GL.glTranslated(0, 0, armLength);
GLU.gluSphere(obj, radius * 2.2, 20, 20);
GL.glEndList();
GL.glPopMatrix();
break;
case 1:
GL.glPushMatrix();
GL.glNewList(SHOULDER_SHADOW_LIST, GL.GL_COMPILE);
//shoulder
GL.glTranslatef(0, 0.6f, 0);
GL.glTranslated(0, 0, shoulderLength - 0.55);
GL.glRotatef(65, 0, 1, 0);
GLU.gluCylinder(obj, radius, radius, shoulderLength, 20, 20);
GL.glTranslated(0, 0, shoulderLength);
GLU.gluSphere(obj, 1.3 * radius, 20, 20);
GL.glEndList();
GL.glPopMatrix();
GL.glPushMatrix();
GL.glNewList(ARM_SHADOW_LIST, GL.GL_COMPILE);
//arm
GL.glRotatef(-80, 1, 0, 0);
GL.glRotatef(20, 0, 1, 0);
GLU.gluCylinder(obj, radius, radius, armLength, 20, 20);
GL.glTranslated(0, 0, armLength);
GLU.gluSphere(obj, radius * 2.2, 20, 20);
//gun1
GL.glTranslatef(0, 0.6f, 0);
GL.glScalef(1.5f, 1.5f, 1.5f);
gun1.DrawModel(false, 1);
break;
case 2:
GL.glPushMatrix();
GL.glNewList(SHOULDER_SHADOW_LIST, GL.GL_COMPILE);
//shoulder
GL.glTranslatef(0, 0.6f, 0);
GL.glTranslated(0, 0, shoulderLength - 0.55);
GL.glRotatef(65, 1, 0, 0);
GLU.gluCylinder(obj, radius, radius, shoulderLength, 20, 20);
GL.glTranslated(0, 0, shoulderLength);
GLU.gluSphere(obj, 1.3 * radius, 20, 20);
GL.glEndList();
GL.glPopMatrix();
GL.glPushMatrix();
GL.glNewList(ARM_SHADOW_LIST, GL.GL_COMPILE);
//arm
GL.glRotatef(-80, 1, 0, 0);
GL.glRotatef(90, 0, 1, 0);
GLU.gluCylinder(obj, radius, radius, armLength, 20, 20);
GL.glTranslated(0, 0, armLength);
GLU.gluSphere(obj, radius * 2.2, 20, 20);
//gun2
GL.glRotatef(-30, 0, 0, 1);
GL.glTranslatef(0, 0.6f, 0);
GL.glScalef(1.3f, 1.3f, 1.3f);
gun2.DrawModel(false, 1);
break;
case 3:
GL.glPushMatrix();
GL.glNewList(SHOULDER_SHADOW_LIST, GL.GL_COMPILE);
//shoulder
GL.glTranslatef(0, 0.6f, 0);
GL.glTranslated(0, 0, shoulderLength - 0.55);
GL.glRotatef(55, 1, 0, 0);
GLU.gluCylinder(obj, radius, radius, shoulderLength, 20, 20);
GL.glTranslated(0, 0, shoulderLength);
GLU.gluSphere(obj, 1.3 * radius, 20, 20);
GL.glEndList();
GL.glPopMatrix();
GL.glPushMatrix();
GL.glNewList(ARM_SHADOW_LIST, GL.GL_COMPILE);
//arm
GL.glRotatef(-30, 1, 0, 0);
GLU.gluCylinder(obj, radius, radius, armLength, 20, 20);
GL.glTranslated(0, 0, armLength);
GLU.gluSphere(obj, radius * 2.2, 20, 20);
//sword
GL.glScalef(0.3f, 0.3f, 0.3f);
sword.DrawModel(false, 1);
GL.glScalef(-0.3f, -0.3f, -0.3f);
break;
}
GL.glEndList();
GL.glPopMatrix();
}
public void PrepareShadow()
{
radius = 0.18f;
Robot_SHADOW_LIST = GL.glGenLists(7);
ARM_SHADOW_LIST = Robot_SHADOW_LIST + 1;
SHOULDER_SHADOW_LIST = Robot_SHADOW_LIST + 2;
HAND_SHADOW_LIST = Robot_SHADOW_LIST + 3;
BODY_SHADOW_LIST = Robot_SHADOW_LIST + 4;
HEAD_SHADOW_LIST = Robot_SHADOW_LIST + 5;
LEG_UP_SHADOW_LIST = Robot_SHADOW_LIST + 6;
LEG_DOWN_SHADOW_LIST = Robot_SHADOW_LIST + 7;
GL.glPushMatrix();
GL.glNewList(HEAD_SHADOW_LIST, GL.GL_COMPILE);
GL.glTranslatef(0, 1, 0);
//head
GL.glPushMatrix();
GL.glTranslatef(0, 1, 0);
GL.glRotatef(-90, 1, 0, 0);
GLU.gluSphere(obj, radius * 3.5, 20, 20);
GL.glRotatef(180, 1, 0, 0);
GLU.gluCylinder(obj, 3.5 * radius, 3.5 * radius, radius * 2, 20, 20);
GL.glTranslatef(0, 0, radius * 2);
GLU.gluCylinder(obj, 3.5 * radius, 0.5, radius * 2, 20, 20);
GL.glTranslatef(0, 0, radius * 2);
GLU.gluCylinder(obj, 0.5, 0, radius * 2, 20, 20);
GL.glPopMatrix();
GL.glEndList();
GL.glPopMatrix();
GL.glPushMatrix();
GL.glNewList(BODY_SHADOW_LIST, GL.GL_COMPILE);
//ALL body
//neck
GL.glPushMatrix();
GL.glRotatef(90, 1, 0, 0);
GL.glTranslatef(0, 0, -2.0f);
GLU.gluCylinder(obj, 1.5 * radius, 1.5 * radius, bodyLength, 20, 20);
GL.glPopMatrix();
////body up
GL.glRotatef(90, 1, 0, 0);
GL.glTranslatef(0, 0, -1.2f);
GLU.gluCylinder(obj, radius, 6 * radius, bodyLength / 4, 20, 20);
GL.glTranslatef(0, 0, 1.2f);
//body midle
GL.glScalef(1.0f, -1.0f, 1.0f);
GL.glTranslatef(0, 0, -(bodyLength / 4 + 0.2f));
GLU.gluCylinder(obj, 6 * radius, 3 * radius, bodyLength / 1.5f, 20, 20);
GL.glTranslatef(0, 0, (bodyLength / 4 + 0.2f));
GL.glScalef(1.0f, 1.0f, 1.0f);
//Tusik
GLU.gluCylinder(obj, 3 * radius, 3 * radius, bodyLength / 1.5f, 20, 20);
//body down
GL.glTranslatef(0, 0, (bodyLength / 1.5f));
GLU.gluCylinder(obj, 3 * radius, radius, bodyLength / 3.5f, 10, 10);
GL.glTranslatef(0, 0, -(bodyLength / 1.5f));
GL.glRotatef(-90, 1, 0, 0);
GL.glEndList();
GL.glPopMatrix();
DrawDynamicShadowHand();
GL.glPushMatrix();
GL.glNewList(LEG_UP_SHADOW_LIST, GL.GL_COMPILE);
//leg_up
GLU.gluCylinder(obj, 1.5f * radius, 1.5f * radius, legUpLength, 20, 20);
GL.glTranslated(0, 0, legUpLength);
GLU.gluSphere(obj, radius * 1.7f, 20, 20);
GL.glEndList();
GL.glPopMatrix();
GL.glPushMatrix();
GL.glNewList(LEG_DOWN_SHADOW_LIST, GL.GL_COMPILE);
//leg_down
GLU.gluCylinder(obj, 1.5f * radius, 1.5f * radius, legDownLength, 20, 20);
GL.glTranslated(0, 0, legDownLength);
GLU.gluSphere(obj, 1.7f * radius, 20, 20);
GL.glEndList();
GL.glPopMatrix();
}
public void Draw()
{
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
GL.glTranslatef(0.0f, -1.5f, -6.0f);
GL.glRotatef(10, 1.0f, 0.0f, 0.0f);
GL.glRotatef(-tank.rotation, 0.0f, 1.0f, 0.0f);
GL.glRotatef(-tank.turretRotation, 0.0f, 1.0f, 0.0f);
GL.glTranslatef(-tank.posX, 0.0f, -tank.posZ);
//DrawAxes();
DrawAll();
//target
target.Drawself();
//LIGHT - before transforms
// hence it is in const position
GL.glPushMatrix();
GL.glEnable(GL.GL_LIGHTING);
GL.glEnable(GL.GL_LIGHT0);
GL.glTranslatef(0, 11, -35);
float[] ambient = { 0, 0, 0.3f, 1 };
if (tank.TankType == 2)
{
ambient[2] = 0.2f;
}
else
{
ambient[0] = 0.2f;
}
float[] diffuse = { 1, 1, 1, 1 };
float[] specular = { 0.5f, 0.5f, 0.5f, 1f };
float[] pos = { 0, 1f, -0.5f, 0 };
GL.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, ambient);
GL.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, diffuse);
GL.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, specular);
GL.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, pos);
GL.glColor3f(1, 1, 0);
GL.glDisable(GL.GL_LIGHTING);
GLU.gluSphere(obj, 1, 12, 12); //SUN
GL.glEnable(GL.GL_LIGHTING);
GL.glPopMatrix();
if (!stelthmode)
{
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF); // draw floor always
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
DrawMirror(false);
// restore regular settings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
GL.glEnable(GL.GL_STENCIL_TEST);
// draw reflected scene
GL.glPushMatrix();
GL.glScalef(-1, 1, 1); //swap on Z axis
GL.glEnable(GL.GL_CULL_FACE);
GL.glCullFace(GL.GL_BACK);
tank.drawSelf();
DrawBullets();
GL.glCullFace(GL.GL_FRONT);
tank.drawSelf();
DrawBullets();
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
GL.glDepthMask((byte)GL.GL_FALSE);
DrawMirror(false);
GL.glDepthMask((byte)GL.GL_TRUE);
// Disable GL.GL_STENCIL_TEST to show All, else it will be cut on GL.GL_STENCIL
GL.glDisable(GL.GL_STENCIL_TEST);
}
else
{
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF); // draw floor always
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
DrawMirror(false);
// restore regular settings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
GL.glEnable(GL.GL_STENCIL_TEST);
// draw reflected scene
GL.glPushMatrix();
GL.glScalef(-1, 1, 1); //swap on Z axis
GL.glEnable(GL.GL_CULL_FACE);
GL.glCullFace(GL.GL_BACK);
DrawBullets();
GL.glCullFace(GL.GL_FRONT);
DrawBullets();
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
GL.glDepthMask((byte)GL.GL_FALSE);
DrawMirror(false);
GL.glDepthMask((byte)GL.GL_TRUE);
// Disable GL.GL_STENCIL_TEST to show All, else it will be cut on GL.GL_STENCIL
GL.glDisable(GL.GL_STENCIL_TEST);
}
if (!stelthmode)
{
tank.drawSelf();
}
else
{
tank.drawstelth();
}
DrawMirror(true);
DrawBullets();
//REFLECTION e
update();
WGL.wglSwapBuffers(m_uint_DC);
}
public void Draw()
{
float delta = 0;
double[] ModelViewMatrixBeforeTransforms = new double[16];
double[] CurrentTraslation = new double[16];
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
GL.glLoadIdentity();
if (enableLookAtValue)
{
GLU.gluLookAt(LookAtNumberValue[0], LookAtNumberValue[1], LookAtNumberValue[2],
LookAtNumberValue[3], LookAtNumberValue[4], LookAtNumberValue[5],
LookAtNumberValue[6], LookAtNumberValue[7], LookAtNumberValue[8]);
}
GL.glTranslatef(0.0f, 0.0f, -20.0f);
if (enableRotate)
{
GL.glRotatef(viewAngle, 0.0f, 1.0f, 0.0f);
viewAngle -= 2f;
}
DrawRoom();
DrawOldAxes();
DrawLightSource();
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, ModelViewMatrixBeforeTransforms);
GL.glLoadIdentity();
if (coordSysMoveDirection != 0)
{
delta = 5.0f * Math.Abs(coordSysMoveDirection) / coordSysMoveDirection;
switch (Math.Abs(coordSysMoveDirection))
{
case 1:
GL.glTranslatef(delta / 20, 0, 0);
break;
case 2:
GL.glTranslatef(0, delta / 20, 0);
break;
case 3:
GL.glTranslatef(0, 0, delta / 20);
break;
case 4:
GL.glRotatef(delta, 1, 0, 0);
break;
case 5:
GL.glRotatef(delta, 0, 1, 0);
break;
case 6:
GL.glRotatef(delta, 0, 0, 1);
break;
}
}
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, CurrentTraslation);
GL.glLoadMatrixd(AccumulatedTraslations);
GL.glMultMatrixd(CurrentTraslation);
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedTraslations);
GL.glLoadMatrixd(ModelViewMatrixBeforeTransforms);
GL.glMultMatrixd(AccumulatedTraslations);
DrawAxes();
GL.glCallList(handList);
if (enableReflection)
{
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF);
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
//DrawFloor();
GL.glCallList(floorMainList);
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glPushMatrix();
GL.glScalef(1, -1, 1);
GL.glEnable(GL.GL_CULL_FACE);
GL.glCullFace(GL.GL_BACK);
GL.glTranslated(0, 3, 0);
DrawFigures();
GL.glCullFace(GL.GL_FRONT);
DrawFigures();
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
GL.glDepthMask((byte)GL.GL_FALSE);
//DrawFloor();
GL.glCallList(floorMainList);
GL.glDepthMask((byte)GL.GL_TRUE);
GL.glDisable(GL.GL_STENCIL_TEST);
}
GL.glFlush();
WGL.wglSwapBuffers(m_uint_DC);
}
private static void DrawTeapot(int grid, double scale, uint type)
{
float[ , , ] p = new float[4, 4, 3];
float[ , , ] q = new float[4, 4, 3];
float[ , , ] r = new float[4, 4, 3];
float[ , , ] s = new float[4, 4, 3];
long i, j, k, l;
GL.glPushAttrib(GL.GL_ENABLE_BIT | GL.GL_EVAL_BIT);
GL.glEnable(GL.GL_AUTO_NORMAL);
GL.glEnable(GL.GL_NORMALIZE);
GL.glEnable(GL.GL_MAP2_VERTEX_3);
GL.glEnable(GL.GL_MAP2_TEXTURE_COORD_2);
GL.glPushMatrix();
GL.glRotatef(270.0f, 1.0f, 0.0f, 0.0f);
GL.glScalef(0.5f * (float)scale, 0.5f * (float)scale, 0.5f * (float)scale);
GL.glTranslatef(0.0f, 0.0f, -1.5f);
for (i = 0; i < 10; i++)
{
for (j = 0; j < 4; j++)
{
for (k = 0; k < 4; k++)
{
for (l = 0; l < 3; l++)
{
p[j, k, l] = cpdata[patchdata[i, j * 4 + k], l];
q[j, k, l] = cpdata[patchdata[i, j * 4 + (3 - k)], l];
if (l == 1)
{
q[j, k, l] *= -1.0f;
}
if (i < 6)
{
r[j, k, l] = cpdata[patchdata[i, j * 4 + (3 - k)], l];
if (l == 0)
{
r[j, k, l] *= -1.0f;
}
s[j, k, l] = cpdata[patchdata[i, j * 4 + k], l];
if (l == 0)
{
s[j, k, l] *= -1.0f;
}
if (l == 1)
{
s[j, k, l] *= -1.0f;
}
}
}
}
}
int cnt = 0;
float[] tex1 = new float[8];
for (int d = 0; d < 2; d++)
{
for (int e = 0; e < 2; e++)
{
for (int f = 0; f < 2; f++)
{
tex1[cnt] = tex[d, e, f];
cnt++;
}
}
}
GL.glMap2f(GL.GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2, tex1);
cnt = 0;
float[] p1 = new float[48];
for (int d = 0; d < 4; d++)
{
for (int e = 0; e < 4; e++)
{
for (int f = 0; f < 3; f++)
{
p1[cnt] = p[d, e, f];
cnt++;
}
}
}
GL.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, p1);
GL.glMapGrid2f(grid, 0.0f, 1.0f, grid, 0.0f, 1.0f);
GL.glEvalMesh2(type, 0, grid, 0, grid);
cnt = 0;
int cnt1 = 0;
int cnt2 = 0;
float[] q1 = new float[48];
float[] r1 = new float[48];
float[] s1 = new float[48];
for (int d = 0; d < 4; d++)
{
for (int e = 0; e < 4; e++)
{
for (int f = 0; f < 3; f++)
{
q1[cnt] = q[d, e, f];
cnt++;
}
}
}
GL.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, q1);
GL.glEvalMesh2(type, 0, grid, 0, grid);
if (i < 6)
{
for (int d = 0; d < 4; d++)
{
for (int e = 0; e < 4; e++)
{
for (int f = 0; f < 3; f++)
{
r1[cnt1] = r[d, e, f];
cnt1++;
}
}
}
GL.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, r1);
GL.glEvalMesh2(type, 0, grid, 0, grid);
for (int d = 0; d < 4; d++)
{
for (int e = 0; e < 4; e++)
{
for (int f = 0; f < 3; f++)
{
s1[cnt2] = s[d, e, f];
cnt2++;
}
}
}
GL.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, s1);
GL.glEvalMesh2(type, 0, grid, 0, grid);
}
}
GL.glPopMatrix();
GL.glPopAttrib();
}
public void Draw()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
//TRIVIAL
GL.glViewport(0, 0, Width, Height);
GL.glLoadIdentity();
GL.glEnable(GL.GL_NORMALIZE);
GLU.gluLookAt(ScrollValue[0], ScrollValue[1], ScrollValue[2],
ScrollValue[3], ScrollValue[4], ScrollValue[5],
ScrollValue[6], ScrollValue[7], ScrollValue[8]);
pos[0] = light_position[0] = ScrollValue[9];
pos[1] = light_position[1] = ScrollValue[10];
pos[2] = light_position[2] = ScrollValue[11];
pos[3] = light_position[3] = 0;
light_position_reflected[0] = -ScrollValue[9];
light_position_reflected[1] = -ScrollValue[10];
light_position_reflected[2] = -ScrollValue[11];
light_position[3] = 0;
GL.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, light_position);
GL.glEnable(GL.GL_LIGHT0);
GL.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, light_position);
GL.glEnable(GL.GL_LIGHT1);
//beascender look angle
GL.glTranslatef(0.0f, -50.0f, -340.0f); //how far from the lake
GL.glTranslatef(0.0f, 1.0f, 0.0f); //height from the lake
GL.glRotatef(25, 1.0f, 0, 0); //look at lake angle
GL.glRotatef(xAngle, 1.0f, 0.0f, 0.0f);
if (checkBox)
{
GL.glRotatef((float)spirala * 0.018f, 0.0f, 1.0f, 0.0f);
GL.glRotatef((float)speed * 0.008f, 1.0f, 1.0f, 0.0f);
GL.glRotatef((float)speed * 0.008f, 0.0f, 1.0f, 1.0f);
GL.glRotatef((float)speed * -0.005f, 1.0f, 0.0f, 1.0f);
}
GL.glRotatef(yAngle, 0.0f, 1.0f, 0.0f);
GL.glRotatef(zAngle, 0.0f, 0.0f, 1.0f);
if (checkBox)
{
GL.glTranslatef(xShift, yShift + (float)-speed * 0.18f, zShift);
}
GL.glTranslatef(xShift, yShift, zShift);
/*
*
* Reflection drawing area start here
*
*/
GL.glPushMatrix();
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
//draw only to STENCIL buffer
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF);
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
Drawlake();//Draw area when we want to see reflect
// restore regular seascendings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
/*
* draw reflected scene
*/
GL.glScalef(1, -1, 1); //swap axes down
GL.glPushMatrix();
DrawTexturedCube();
//reflected penguin
drawPenguin();
draw_sun();
draw_moon();
GL.glPopMatrix();
GL.glPopMatrix();
GL.glEnable(GL.GL_LIGHTING);
Drawlake();
GL.glDisable(GL.GL_LIGHTING);
GL.glStencilFunc(GL.GL_NOTEQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
GL.glDepthMask((byte)GL.GL_FALSE);
GL.glDepthMask((byte)GL.GL_TRUE);
drawFloorTextured();
draw_sun();
draw_moon();
GL.glDisable(GL.GL_STENCIL_TEST);
DrawTexturedCube(); //SKY BOX
/*
*
* paint main scene area - start here
*
*/
// drawaxe();
GL.glShadeModel(GL.GL_FLAT);
GL.glEnable(GL.GL_LIGHTING);
//Main Penguin
drawPenguin();
/////////
GL.glDisable(GL.GL_LIGHTING);
/*
*
* Draw shadows area - start here
*
*/
GL.glDisable(GL.GL_LIGHTING);
GL.glPushMatrix();
MakeShadowMatrix(ground); //sending fround matrix
GL.glMultMatrixf(cubeXform);
GL.glShadeModel(GL.GL_FLAT);
GL.glColor3d(0, 0, 0);//black
drawPenguinShade();
GL.glPopMatrix();
GL.glFlush();
WGL.wglSwapBuffers(m_uint_DC);
}
public void Draw()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
GL.glLoadIdentity();
if (Weaponchanged)
{
//if WeaponIndex changed create lists again!
Robot.PrepareAndDraw();
Robot.PrepareAndDrawShadow();
Weaponchanged = false;
}
GLU.gluLookAt(ScrollValue[0], ScrollValue[1], ScrollValue[2],
ScrollValue[3], ScrollValue[4], ScrollValue[5],
ScrollValue[6], ScrollValue[7], ScrollValue[8]);
#region Mouse Control
GL.glTranslatef(-X, -Y, -Z);
GL.glRotatef(rotX, 1.0f, 0.0f, 0.0f);
GL.glRotatef(rotY, 0.0f, 1.0f, 0.0f);
GL.glRotatef(rotZ, 0.0f, 0.0f, 1.0f);
#endregion
//move camera to initial position - center of cube and above floor
GL.glTranslatef(0.0f, 0.0f, -1.0f);
GL.glTranslatef(0.0f, 5.0f, 0.0f);
GL.glRotatef(-90.0f, 0.0f, 1.0f, 0.0f);
//update light position
LightPosition[0] = ScrollValue[10];
LightPosition[1] = ScrollValue[11];
LightPosition[2] = ScrollValue[12];
LightPosition[3] = 1.0f;
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, ModelVievMatrixBeforeSpecificTransforms);
GL.glLoadIdentity(); // make it identity matrix
MoveRobotByDirection();
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, CurrentRotationTraslation);
GL.glLoadMatrixd(AccumulatedRotationsTraslations); //Global Matrix
GL.glMultMatrixd(CurrentRotationTraslation);
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
GL.glLoadMatrixd(ModelVievMatrixBeforeSpecificTransforms);
GL.glMultMatrixd(AccumulatedRotationsTraslations);
//draw actual cube
cube.Scale(xMaxOfCube, yMaxOfCube, zMaxOfCube);
cube.Draw(1);
GL.glRotatef(180, 0, 1, 0);
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, ModelVievMatrixBeforeSpecificTransforms);
GL.glPushMatrix();
GL.glLoadIdentity();
GL.glLoadMatrixd(ModelVievMatrixBeforeSpecificTransforms);
GL.glMultMatrixd(AccumulatedRotationsTraslations);
//!!!!!!!!!!! draw orginal Robot
GL.glPushMatrix();
RotateRobotByDirection();
GL.glCullFace(GL.GL_BACK);
GL.glDisable(GL.GL_CULL_FACE);
GL.glEnable(GL.GL_LIGHTING);
GL.glRotatef(-Robot.WalkAngle, 0, 1, 0);
Robot.Draw(false);
GL.glPopMatrix();
GL.glLoadMatrixd(AccumulatedRotationsTraslations); //Global Matrix
RobotPlace[0] = AccumulatedRotationsTraslations[12];
RobotPlaceForward[0] = RobotPlaceBackward[0] = RobotPlaceRight[0] = RobotPlaceLeft[0] = AccumulatedRotationsTraslations[12];
RobotPlace[1] = AccumulatedRotationsTraslations[14];
RobotPlaceForward[1] = RobotPlaceBackward[1] = RobotPlaceRight[1] = RobotPlaceLeft[1] = AccumulatedRotationsTraslations[14];
switch (WhatWillDirection)
{
case arrow.forward:
//Look future to get wallk forward
RobotPlaceForward = WillPlace(2.1f, 0, 0);
break;
case arrow.backward:
//Look future to get wallk backward
RobotPlaceBackward = WillPlace(-2.1f, 0, 0);
break;
case arrow.right:
//Look future to get wallk right
RobotPlaceRight = WillPlace(0, 0, 2.1f);
break;
case arrow.left:
//Look future to get wallk left
RobotPlaceLeft = WillPlace(0, 0, -2.1f);
break;
}
if (((RobotPlace[0] < ((car.Drive % 46) - 23) + 7) && (RobotPlace[0] > ((car.Drive % 46) - 23) - 4)) && //in car length
RobotPlace[1] > 5 && RobotPlace[1] < 10 && !Robot.IsJumping) //in car width & not jumping
{
Robot.IsCrashWithCar = true;
}
//!!!!!!!!!!!
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
GL.glRotatef(-180, 0, 1, 0);
#region Reflaction to cube
StartReflaction(-1, 1, -1); //Reflaction to cube
cube.Scale(xMaxOfCube - 0.002f, yMaxOfCube - 0.002f, zMaxOfCube - 0.002f);
cube.Draw(-1); //decrease 0.002 from each dimension of cube to avoid unexpected lines and -1 for mirrow efect
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
#endregion
// really draw mirror
//( half-transparent ( see its color's alpha byte)))
// in order to see reflected objects
//GL.glPushMatrix();
//GL.glTranslatef(0, -4, 0);
//GL.glDepthMask((byte)GL.GL_FALSE);
//GL.glRotatef(90,0,1,0);
//DrawMirror();
//GL.glDepthMask((byte)GL.GL_TRUE);
//GL.glPopMatrix();
GL.glScalef(-1, 1, 1);//Some rotation for normal Cube direction
GL.glRotatef(180, 0, 1, 0);
#region Reflaction to Robot
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, ModelVievMatrixBeforeSpecificTransforms);
StartReflaction(-1, 1, 1); //Start Reflaction to Robot
GL.glLoadIdentity();
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, CurrentRotationTraslation);
GL.glLoadMatrixd(AccumulatedRotationsTraslations);
GL.glMultMatrixd(CurrentRotationTraslation);
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
GL.glLoadMatrixd(ModelVievMatrixBeforeSpecificTransforms);
GL.glMultMatrixd(AccumulatedRotationsTraslations);
//draw reflected Robot
GL.glPushMatrix();
RotateRobotByDirection();
GL.glCullFace(GL.GL_BACK);
GL.glCullFace(GL.GL_FRONT);
GL.glDisable(GL.GL_CULL_FACE);
GL.glRotatef(-Robot.WalkAngle, 0, 1, 0);
Robot.Draw(false);
GL.glPopMatrix();
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
//draw all Robot shadows in the mirror!!
MakeShadow(ModelVievMatrixBeforeSpecificTransforms, CurrentRotationTraslation);
DrawLight(); //draw reflected light
GL.glDisable(GL.GL_STENCIL_TEST);
#endregion
GL.glScalef(1, 1, -1); //Some rotation for normal Cube direction
GL.glRotatef(180, 0, 1, 0);
DrawLight(); //draw actual light
MakeShadow(ModelVievMatrixBeforeSpecificTransforms, CurrentRotationTraslation); //draw all Robot shadows
car.Drive += 0.5f; //for animation of car moving
//draw car reflection
StartReflaction(-1, 1, 1);
car.Draw(false);
//draw car reflection shadow on floor
StartReflaction(-1, 1, 1);
GL.glDisable(GL.GL_LIGHTING);
GL.glPushMatrix();
MakeShadowMatrix(floorCoordForShadow);
GL.glMultMatrixf(cubeXform);
car.Draw(true);
GL.glPopMatrix();
//draw car reflection shadow on back wall
StartReflaction(-1, 1, 1);
GL.glDisable(GL.GL_LIGHTING);
GL.glPushMatrix();
MakeShadowMatrix(backWallCoordForShadow);
GL.glMultMatrixf(cubeXform);
car.Draw(true);
GL.glPopMatrix();
//draw car reflection shadow on front wall
StartReflaction(-1, 1, 1);
GL.glDisable(GL.GL_LIGHTING);
GL.glPushMatrix();
MakeShadowMatrix(frontWallCoordForShadow);
GL.glMultMatrixf(cubeXform);
car.Draw(true);
GL.glPopMatrix();
GL.glDisable(GL.GL_STENCIL_TEST);
//draw the Frame of mirror
mirror.DrawFrame();
//draw mirror again to cover car from being shown on the other side of mirror
GL.glPushMatrix();
GL.glTranslatef(0, -4, 0);
GL.glRotatef(90, 0, 1, 0);
mirror.Draw();
GL.glPopMatrix();
//draw car
car.Draw(false);
//draw shadow car on floor
GL.glPushMatrix();
MakeShadowMatrix(floorCoordForShadow);
GL.glMultMatrixf(cubeXform);
car.Draw(true);
GL.glPopMatrix();
//draw shadow car on back wall
GL.glPushMatrix();
MakeShadowMatrix(backWallCoordForShadow);
GL.glMultMatrixf(cubeXform);
car.Draw(true);
GL.glPopMatrix();
//draw shadow car on front wall
GL.glPushMatrix();
MakeShadowMatrix(frontWallCoordForShadow);
GL.glMultMatrixf(cubeXform);
car.Draw(true);
GL.glPopMatrix();
GL.glFlush();
WGL.wglSwapBuffers(m_uint_DC);
}
public void Draw()
{
pos[0] = -4 + (float)xExisOrigin + (float)ScrollValue[11];
pos[1] = 15 + (float)yExisOrigin + (float)ScrollValue[12];
pos[2] = 15 + (float)ScrollValue[13];
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT);
GL.glLoadIdentity();
// not trivial
double [] ModelVievMatrixBeforeSpecificTransforms = new double[16];
double [] CurrentRotationTraslation = new double[16];
GLU.gluLookAt(ScrollValue[0], ScrollValue[1], ScrollValue[2],
ScrollValue[3], ScrollValue[4], ScrollValue[5],
ScrollValue[6], ScrollValue[7], ScrollValue[8]);
GL.glTranslatef(0.0f, 0.0f, -30.0f);
GL.glRotatef(105, 0, 0, 1);
GL.glRotatef(70, 0, 1, 0);
GL.glRotatef(15, 1, 0, 0);
//save current ModelView Matrix values
//in ModelVievMatrixBeforeSpecificTransforms array
//ModelView Matrix ========>>>>>> ModelVievMatrixBeforeSpecificTransforms
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, ModelVievMatrixBeforeSpecificTransforms);
//ModelView Matrix was saved, so
GL.glLoadIdentity(); // make it identity matrix
//make transformation in accordance to KeyCode
float delta;
if (intOptionC != 0)
{
delta = 5.0f * Math.Abs(intOptionC) / intOptionC; // signed 5
switch (Math.Abs(intOptionC))
{
case 1:
GL.glRotatef(delta, 1, 0, 0);
break;
case 2:
GL.glRotatef(delta, 0, 1, 0);
break;
case 3:
GL.glRotatef(delta, 0, 0, 1);
break;
case 4:
GL.glTranslatef(delta / 20, 0, 0);
break;
case 5:
GL.glTranslatef(0, delta / 20, 0);
break;
case 6:
GL.glTranslatef(0, 0, delta / 20);
break;
}
}
//as result - the ModelView Matrix now is pure representation
//of KeyCode transform and only it !!!
//save current ModelView Matrix values
//in CurrentRotationTraslation array
//ModelView Matrix =======>>>>>>> CurrentRotationTraslation
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, CurrentRotationTraslation);
//The GL.glLoadMatrix function replaces the current matrix with
//the one specified in its argument.
//The current matrix is the
//projection matrix, modelview matrix, or texture matrix,
//determined by the current matrix mode (now is ModelView mode)
GL.glLoadMatrixd(AccumulatedRotationsTraslations); //Global Matrix
//The GL.glMultMatrix function multiplies the current matrix by
//the one specified in its argument.
//That is, if M is the current matrix and T is the matrix passed to
//GL.glMultMatrix, then M is replaced with M • T
GL.glMultMatrixd(CurrentRotationTraslation);
//save the matrix product in AccumulatedRotationsTraslations
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
//replace ModelViev Matrix with stored ModelVievMatrixBeforeSpecificTransforms
GL.glLoadMatrixd(ModelVievMatrixBeforeSpecificTransforms);
//multiply it by KeyCode defined AccumulatedRotationsTraslations matrix
GL.glMultMatrixd(AccumulatedRotationsTraslations);
//REFLECTION//DrawAxes();
//REFLECTION b
intOptionB += 1; //for rotation
intOptionC += 10; //for rotation
// without REFLECTION was only DrawAll();
// now
//!!!!------sky box
GL.glPushMatrix();
GL.glPushAttrib(GL.GL_CURRENT_BIT);
GL.glColor4f(1.0f, 1.0f, 1.0f, 0.5f);
GL.glEnable(GL.GL_TEXTURE_2D);
GL.glDisable(GL.GL_BLEND);
GL.glRotatef(90, 1, 0, 0);
DrawTexturedCube();
GL.glPopAttrib();
GL.glPopMatrix();
/////
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
//only floor, draw only to STENCIL buffer
GL.glEnable(GL.GL_STENCIL_TEST);
GL.glStencilOp(GL.GL_REPLACE, GL.GL_REPLACE, GL.GL_REPLACE);
GL.glStencilFunc(GL.GL_ALWAYS, 1, 0xFFFFFFFF); // draw floor always
GL.glColorMask((byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE, (byte)GL.GL_FALSE);
GL.glDisable(GL.GL_DEPTH_TEST);
DrawFloor3();
// restore regular settings
GL.glColorMask((byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE, (byte)GL.GL_TRUE);
GL.glEnable(GL.GL_DEPTH_TEST);
// reflection is drawn only where STENCIL buffer value equal to 1
GL.glStencilFunc(GL.GL_EQUAL, 1, 0xFFFFFFFF);
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_KEEP);
GL.glEnable(GL.GL_STENCIL_TEST);
// draw reflected scene
GL.glPushMatrix();
GL.glScalef(1, 1, -1); //swap on Z axis
GL.glEnable(GL.GL_CULL_FACE);
GL.glCullFace(GL.GL_BACK);
DrawFigures();
GL.glCullFace(GL.GL_FRONT);
DrawFigures();
GL.glDisable(GL.GL_CULL_FACE);
GL.glPopMatrix();
// really draw floor
//( half-transparent ( see its color's alpha byte)))
// in order to see reflected objects
GL.glDepthMask((byte)GL.GL_FALSE);
DrawFloor3();
GL.glDepthMask((byte)GL.GL_TRUE);
// Disable GL.GL_STENCIL_TEST to show All, else it will be cut on GL.GL_STENCIL
GL.glDisable(GL.GL_STENCIL_TEST);
DrawFigures();
GL.glDisable(GL.GL_TEXTURE_2D);
GL.glFlush();
WGL.wglSwapBuffers(m_uint_DC);
}
public void Draw()
{
//Light position for shadows
MainLightSource.X = ScrollValue[10];
MainLightSource.Y = ScrollValue[11];
MainLightSource.Z = ScrollValue[12];
GL.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, MainLightSource.LightLocation());
GL.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, new float[] { 0f, 0f, 0f, 1f });
GL.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, new float[] { 1f, 1f, 1f });
GL.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, new float[] { 0.628281f, 0.555802f, 0.366065f });
GL.glLightfv(GL.GL_LIGHT2, GL.GL_POSITION, StaticRedLightSource.LightLocation());
GL.glLightfv(GL.GL_LIGHT2, GL.GL_AMBIENT, new float[] { 0f, 0f, 0f, 1f });
GL.glLightfv(GL.GL_LIGHT2, GL.GL_DIFFUSE, new float[] { 1f, 0f, 0f });
GL.glLightfv(GL.GL_LIGHT2, GL.GL_SPECULAR, new float[] { 0.628281f, 0.555802f, 0.366065f });
GL.glLightfv(GL.GL_LIGHT3, GL.GL_POSITION, StaticBlueLightSource.LightLocation());
GL.glLightfv(GL.GL_LIGHT3, GL.GL_AMBIENT, new float[] { 0f, 0f, 0f, 1f });
GL.glLightfv(GL.GL_LIGHT3, GL.GL_DIFFUSE, new float[] { 0f, 0f, 1f });
GL.glLightfv(GL.GL_LIGHT3, GL.GL_SPECULAR, new float[] { 0.628281f, 0.555802f, 0.366065f });
//GL.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, bannerLightPos);
if (m_DeviceContext == 0 || m_RenderingContext == 0)
{
return;
}
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
GL.glLoadIdentity();
// not trivial
double[] ModelVievMatrixBeforeSpecificTransforms = new double[16];
double[] CurrentRotationTraslation = new double[16];
GLU.gluLookAt(ScrollValue[0], ScrollValue[1], ScrollValue[2],
ScrollValue[3], ScrollValue[4], ScrollValue[5],
ScrollValue[6], ScrollValue[7], ScrollValue[8]);
GL.glTranslatef(0.0f, 0.0f, -3.0f);
DrawOldAxes();
//save current ModelView Matrix values
//in ModelVievMatrixBeforeSpecificTransforms array
//ModelView Matrix ========>>>>>> ModelVievMatrixBeforeSpecificTransforms
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, ModelVievMatrixBeforeSpecificTransforms);
//ModelView Matrix was saved, so
GL.glLoadIdentity(); // make it identity matrix
//make transformation in accordance to KeyCode
float delta;
if (intOptionC != 0)
{
delta = 3.0f * Math.Abs(intOptionC) / intOptionC; // signed 5
switch (Math.Abs(intOptionC))
{
case 1:
GL.glRotatef(delta, 1, 0, 0);
break;
case 2:
GL.glRotatef(delta, 0, 1, 0);
break;
case 3:
GL.glRotatef(delta, 0, 0, 1);
break;
case 4:
GL.glTranslatef(delta / 20, 0, 0);
break;
case 5:
GL.glTranslatef(0, delta / 20, 0);
break;
case 6:
GL.glTranslatef(0, 0, delta / 20);
break;
}
}
//as result - the ModelView Matrix now is pure representation
//of KeyCode transform and only it !!!
//save current ModelView Matrix values
//in CurrentRotationTraslation array
//ModelView Matrix =======>>>>>>> CurrentRotationTraslation
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, CurrentRotationTraslation);
//The GL.glLoadMatrix function replaces the current matrix with
//the one specified in its argument.
//The current matrix is the
//projection matrix, modelview matrix, or texture matrix,
//determined by the current matrix mode (now is ModelView mode)
GL.glLoadMatrixd(AccumulatedRotationsTraslations); //Global Matrix
//The GL.glMultMatrix function multiplies the current matrix by
//the one specified in its argument.
//That is, if M is the current matrix and T is the matrix passed to
//GL.glMultMatrix, then M is replaced with M • T
GL.glMultMatrixd(CurrentRotationTraslation);
//save the matrix product in AccumulatedRotationsTraslations
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
//replace ModelViev Matrix with stored ModelVievMatrixBeforeSpecificTransforms
GL.glLoadMatrixd(ModelVievMatrixBeforeSpecificTransforms);
//multiply it by KeyCode defined AccumulatedRotationsTraslations matrix
GL.glMultMatrixd(AccumulatedRotationsTraslations);
GL.glPushMatrix(); // save the current matrix
GL.glScalef(zoom, zoom, zoom); // scale the matrix
DrawAxes();
DrawFigures();
GL.glPopMatrix(); // load the unscaled matrix
GL.glFlush();
WGL.wglSwapBuffers(m_DeviceContext);
}
