| private glViewport ( int x, int y, int width, int height ) : void | ||
| x | int | |
| y | int | |
| width | int | |
| height | int | |
| Résultat | void | |
protected virtual void initRenderingGL()
{
if (m_DeviceContext == 0 || m_RenderingContext == 0)
{
return;
}
if (m_DisplayPanel.Width == 0 || m_DisplayPanel.Height == 0)
{
return;
}
GL.glShadeModel(GL.GL_SMOOTH);
GL.glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
GL.glClearDepth(1.0f);
GL.glClearColor(0.5f, 0.5f, 0.5f, 0.0f);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glHint(GL.GL_PERSPECTIVE_CORRECTION_Hint, GL.GL_NICEST);
GL.glViewport(0, 0, m_DisplayPanel.Width, m_DisplayPanel.Height);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
//nice 3D
GLU.gluPerspective(70.0, 1.0, 0.4, 500.0);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
TextureUtills.GenerateTextures();
//save the current MODELVIEW Matrix (now it is Identity)
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
}
public void OnResize()
{
m_Width = m_Control.Width;
m_Height = m_Control.Height;
GL.glViewport(0, 0, m_Width, m_Height);
Draw();
}
protected virtual void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
GL.glClearColor(0.5f, 0.5f, 0.5f, 0.0f);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glViewport(0, 0, this.Width, this.Height);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
//nice 3D
GLU.gluPerspective(45.0, 1.0, 0.4, 100.0);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
//save the current MODELVIEW Matrix (now it is Identity)
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
}
public void OnResize()
{
Width = p.Width;
Height = p.Height;
GL.glViewport(0, 0, Width, Height);
Draw();
}
protected virtual void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.m_Width == 0 || this.m_Height == 0)
{
return;
}
GL.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glViewport(0, 0, this.m_Width, this.m_Height);
GL.glClearColor(0, 0, 0, 0);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
//1
GLU.gluPerspective(45.0, ((double)m_Width) / m_Height, 1.0, 1000.0);
//GLU.gluOrtho2D(0, Width, 0, Height);
//the same
//GLU.gluOrtho(0, iWidth, 0, iHeight, -1, 1);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
InitTexture(Resources.dreidel);
}
protected virtual void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
GL.glClearColor(0.5f, 0.9f, 1.0f, 1.0f);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
//GL.glHint(GL.GL_PERSPECTIVE_CORRECTION_Hint, GL.GL_NICEST);
GL.glViewport(0, 0, this.Width, this.Height);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GL.glShadeModel(GL.GL_SMOOTH);
GLU.gluPerspective(60, (float)Width / (float)Height, 0.45f, 1000.0f);
GenerateTextures(1);//////////////////////////////////////
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
}
protected virtual void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glViewport(0, 0, Width, Height);
GL.glClearColor(0, 0, 0, 0);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
double d = (Width) / Height;
GLU.gluPerspective(100.0, (Width) / Height, 1.0, 1000.0);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
InitTexture();
}
protected virtual void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
GL.glShadeModel(GL.GL_SMOOTH);
GL.glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
GL.glClearDepth(1.0f);
GL.glEnable(GL.GL_LIGHT0);
GL.glEnable(GL.GL_COLOR_MATERIAL);
GL.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glHint(GL.GL_PERSPECTIVE_CORRECTION_Hint, GL.GL_NICEST);
GL.glViewport(0, 0, Width, Height);
GL.glClearColor(0, 0, 0, 0);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GLU.gluPerspective(45.0, 1.0, 1.0, 1000.0);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedTraslations);
InitTexture("SurgeryRoom.bmp");
}
public void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
GL.glShadeModel(GL.GL_SMOOTH);
GL.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
GL.glClearDepth(1.0f);
GL.glEnable(GL.GL_LIGHT0);
GL.glEnable(GL.GL_COLOR_MATERIAL);
GL.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE); // GL.GL_AMBIENT_AND_DIFFUSE / GL.GL_SHININESS
//GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glViewport(0, 0, this.Width, this.Height);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GLU.gluPerspective(45, ((double)Width) / Height, 1.0, 1000.0);
GL.glMatrixMode(GL.GL_MODELVIEW);
//save the current MODELVIEW Matrix (now it is Identity)
//GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
InitTexture("IMG\\1.bmp");
}
public void OnResize()
{
Width = p.Width;
Height = p.Height;
//!!!!!!!
GL.glViewport(0, 0, Width, Height);
//!!!!!!!
initRenderingGL();
Draw();
}
protected virtual void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
GL.glShadeModel(GL.GL_SMOOTH);
GL.glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
GL.glClearDepth(1.0f);
GL.glEnable(GL.GL_LIGHT0);
GL.glEnable(GL.GL_COLOR_MATERIAL);
GL.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glHint(GL.GL_PERSPECTIVE_CORRECTION_Hint, GL.GL_NICEST);
GL.glViewport(0, 0, this.Width, this.Height);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
//nice 3D
GLU.gluPerspective(45.0, 1.0, 0.4, 100.0);
//! TEXTURE 1a
GL.glEnable(GL.GL_COLOR_MATERIAL);
float[] emis = { 0.3f, 0.3f, 0.3f, 1 };
GL.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_EMISSION, emis);
//! TEXTURE 1a
GL.glShadeModel(GL.GL_SMOOTH);
GLU.gluPerspective(viewAngle, (float)Width / (float)Height, 0.45f, 30.0f);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
//! TEXTURE 1a
GenerateTextures();
//! TEXTURE 1b
//save the current MODELVIEW Matrix (now it is Identity)
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
}
/// <summary>
/// Event handler called when the control is resized.
/// </summary>
protected virtual void ResizeGL(object sender, EventArgs e)
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
WGL.wglMakeCurrent(m_uint_DC, m_uint_RC);
GL.glViewport(0, 0, this.Width, this.Height);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GLU.gluPerspective(60.0, ((double)(this.Width) / (double)(this.Height)), 1.0, 1000.0);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
}
public void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
GL.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glViewport(0, 0, this.Width, this.Height);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
//Z-BUFFER SHOW begin
if (!bPerspective)
{
GL.glOrtho(-4, 4, -4, 4, -4, 4);
}
else
{
// - no Grey nuances: differences of our objects Z
// are relatively 0 to 100.0f ... 0.45f
GLU.gluPerspective(45.0f, Width / Height, 0.45f, 500.0f);
}
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
//save the current MODELVIEW Matrix (now it is Identity)
GL.glGetDoublev(GL.GL_MODELVIEW_MATRIX, AccumulatedRotationsTraslations);
Zbuf = new float[Width * Height];
GenerateTextures();
}
protected virtual void initRenderingGL()
{
if (m_uint_DC == 0 || m_uint_RC == 0)
{
return;
}
if (this.Width == 0 || this.Height == 0)
{
return;
}
GL.glShadeModel(GL.GL_SMOOTH);
GL.glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
GL.glClearDepth(1.0f);
if (GlobalProperties.LightBeamOn)
{
GL.glEnable(GL.GL_LIGHT0);
}
GL.glEnable(GL.GL_COLOR_MATERIAL);
GL.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glViewport(0, 0, this.Width, this.Height);
GL.glClearColor(0, 0, 0, 0);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GLU.gluPerspective(90.0, ((double)Width) / Height, 1.0, 1000.0);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
GenerateTextures();
}
// ############################################################################
// ############################################################################
// ############################################################################
// ############################################################################
// ============================================================================
// The following is an example of OpenGL rendering code, complete with
// buffer swapping. This function can be called by a Form's "OnPaint()"
// method if a previous WGL.DemoInitOpenGL() call (for example) has
// already successfully established a valid Render Context (RC).
// ============================================================================
public static void DemoOpenGLDraw
(
int int_WindowWidth,
int int_WindowHeight,
uint uint_DC
)
{
int int_Phase = (int)(System.Environment.TickCount % 120000);
float float_Phase = (float)(0.3f * (int_Phase));
if (int_WindowWidth <= 0)
{
int_WindowWidth = 1;
}
if (int_WindowHeight <= 0)
{
int_WindowHeight = 1;
}
GL.glViewport(0, 0, int_WindowWidth, int_WindowHeight);
GL.glEnable(GL.GL_DEPTH_TEST);
GL.glDepthFunc(GL.GL_LEQUAL);
GL.glEnable(GL.GL_CULL_FACE);
GL.glCullFace(GL.GL_BACK);
GL.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
//GL.glOrtho( 0.0f, (float)(int_WindowWidth), 0.0f, (float)(int_WindowHeight), -1.0f, 1.0f );
GLU.gluPerspective
(
60.0, // Field of view angle (Y angle; degrees)
((double)(int_WindowWidth) / (double)(int_WindowHeight)),
1.0, // Near plane
1000.0 // Far plane
);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
// Translating the camera to +600.0f Z is essentially
// adding -600.0f to all drawing commands.
GL.glTranslatef(0.0f, 0.0f, -600.0f);
GL.glRotatef((0.11f * float_Phase), 1.0f, 0.0f, 0.0f);
GL.glRotatef((0.31f * float_Phase), 0.0f, 1.0f, 0.0f);
GL.glRotatef((0.19f * float_Phase), 0.0f, 0.0f, 1.0f);
float[][] vert_xyz = new float[8][]
{
new float[] { -100.0f, -100.0f, -100.0f }, // 0
new float[] { -100.0f, -100.0f, 100.0f }, // 1
new float[] { -100.0f, 100.0f, -100.0f }, // 2
new float[] { -100.0f, 100.0f, 100.0f }, // 3
new float[] { 100.0f, -100.0f, -100.0f }, // 4
new float[] { 100.0f, -100.0f, 100.0f }, // 5
new float[] { 100.0f, 100.0f, -100.0f }, // 6
new float[] { 100.0f, 100.0f, 100.0f } // 7
};
int [][] tri_abc = new int [12][]
{
new int[] { 0, 2, 4 }, new int[] { 4, 2, 6 }, // Back
new int[] { 0, 4, 1 }, new int[] { 1, 4, 5 }, // Bottom
new int[] { 0, 1, 2 }, new int[] { 2, 1, 3 }, // Left
new int[] { 4, 6, 5 }, new int[] { 5, 6, 7 }, // Right
new int[] { 2, 3, 6 }, new int[] { 6, 3, 7 }, // Top
new int[] { 1, 5, 3 }, new int[] { 3, 5, 7 } // Front
};
float[][] colors_rgb = new float[12][]
{
new float[] { 0.5f, 0.1f, 0.1f }, new float[] { 1.0f, 0.1f, 0.1f }, // Red
new float[] { 0.5f, 0.5f, 0.1f }, new float[] { 1.0f, 1.0f, 0.1f }, // Yellow
new float[] { 0.1f, 0.5f, 0.1f }, new float[] { 0.1f, 1.0f, 0.1f }, // Green
new float[] { 0.1f, 0.5f, 0.5f }, new float[] { 0.1f, 1.0f, 1.0f }, // Cyan
new float[] { 0.1f, 0.1f, 0.5f }, new float[] { 0.1f, 0.1f, 1.0f }, // Blue
new float[] { 0.5f, 0.1f, 0.5f }, new float[] { 1.0f, 0.1f, 1.0f } // Magenta
};
int iTriTotal = 12;
int iTriIndex = 0;
GL.glBegin(GL.GL_TRIANGLES);
for (iTriIndex = 0; iTriIndex < iTriTotal; iTriIndex++)
{
GL.glColor3fv(colors_rgb[iTriIndex]);
GL.glVertex3fv(vert_xyz[tri_abc[iTriIndex][0]]);
GL.glColor3fv(colors_rgb[iTriIndex]);
GL.glVertex3fv(vert_xyz[tri_abc[iTriIndex][1]]);
GL.glColor3fv(colors_rgb[iTriIndex]);
GL.glVertex3fv(vert_xyz[tri_abc[iTriIndex][2]]);
}
GL.glEnd();
WGL.wglSwapBuffers(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);
}
public void OnResize()
{
GL.glViewport(0, 0, m_DisplayPanel.Width, m_DisplayPanel.Height);
Draw();
}
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);
}