void RenderScene()
{
static GLfloat vSunColor[] = { 1.0f, 0.0f, 0.0f, 1.0f };
static GLfloat vEarthColor[] = { 0.0f, 0.0f, 1.0f, 1.0f };
static GLfloat vMoonColor[] = { 1.0f, 1.0f, 0.0f, 1.0f };
static GLfloat vFloorColor[] = { 0.0f, 1.0f, 0.0f, 1.0f};
static CStopWatch rotTimer;
float yRot = rotTimer.GetElapsedSeconds() * 60.0f;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
modelViewMatrix.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewMatrix.PushMatrix(mCamera);
M3DVector4f vLightPos = { 0.0f, 10.0f, 5.0f, 1.0f };
M3DVector4f vLightEyePos;
m3dTransformVector4(vLightEyePos, vLightPos, mCamera);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),
vFloorColor);
floorBatch.Draw();
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
modelViewMatrix.Translate(0.0f, 0.0f, -3.5f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Rotate(yRot, 0.0f, 1.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(), vSunColor);
sunSphereBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.Rotate(yRot * -2.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.8f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(), vEarthColor);
earthSphereBatch.Draw();
modelViewMatrix.Rotate(yRot * -4.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.4f, 0.0f, 0.0f);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(), vMoonColor);
moonSphereBatch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
void SetupOITResolveProg()
{
glUseProgram(oitResolve);
// Set projection matrix
glUniformMatrix4fv(glGetUniformLocation(oitResolve, "pMatrix"),
1, GL_FALSE, transformPipeline.GetProjectionMatrix());
// Set MVP matrix
glUniformMatrix4fv(glGetUniformLocation(oitResolve, "mvMatrix"),
1, GL_FALSE, transformPipeline.GetModelViewMatrix());
// Now setup the right textures
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, msTexture[0]);
glUniform1i(glGetUniformLocation(oitResolve, "origImage"), 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, depthTextureName);
glUniform1i(glGetUniformLocation(oitResolve, "origDepth"), 1);
glUniform1f(glGetUniformLocation(oitResolve, "sampleCount"), 8);
glActiveTexture(GL_TEXTURE0);
gltCheckErrors(oitResolve);
}
// Called to draw scene
static void RenderScene(void)
{
static CStopWatch rotTimer;
// Clear the window and the depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
modelViewMatrix.PushMatrix(viewFrame);
modelViewMatrix.Rotate(40.0f, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Rotate(20.0f, 1.0f, 0.0f, 0.0f);
float f = (float)rotTimer.GetElapsedSeconds();
GLfloat vViewpoint[] = { sinf(f * 3.1f) * 30.0f, cosf(f * 2.4f) * 30.0f, sinf(f * 1.7f) * 30.0f };
glUseProgram(cullingShader);
glUniformMatrix4fv(locMVP, 1, GL_FALSE, transformPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(locMV, 1, GL_FALSE, transformPipeline.GetModelViewMatrix());
glUniformMatrix3fv(locNM, 1, GL_FALSE, transformPipeline.GetNormalMatrix());
glUniform3fv(locViewpoint, 1, vViewpoint);
torusBatch.Draw();
modelViewMatrix.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
void MyShaderManager::useDiffVert(M3DVector4f vDiffuseColor, M3DVector3f vLightEyePos, GLGeometryTransform tPipeline)
{
glUseProgram(diffVert);
glUniform4fv(vDiffColor, 1, vDiffuseColor);
glUniform3fv(vDiffLight, 1, vLightEyePos);
glUniformMatrix4fv(vDiffMVP, 1, GL_FALSE, tPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(vDiffMV, 1, GL_FALSE, tPipeline.GetModelViewMatrix());
glUniformMatrix3fv(vDiffNM, 1, GL_FALSE, tPipeline.GetNormalMatrix());
}
void MyShaderManager::useADSFrag(M3DVector4f vDiffuseColor, M3DVector4f vAmbientColor, M3DVector4f vSpecularColor, M3DVector4f vLightEyePos, GLGeometryTransform tPipeline)
{
glUseProgram(ADSFrag);
glUniform4fv(fADSambColor, 1, vAmbientColor);
glUniform4fv(fADSspecColor, 1, vSpecularColor);
glUniform4fv(fADSdiffColor, 1, vDiffuseColor);
glUniformMatrix4fv(fADSMVP, 1, GL_FALSE, tPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(fADSMV, 1, GL_FALSE, tPipeline.GetModelViewMatrix());
glUniformMatrix3fv(fADSNM, 1, GL_FALSE, tPipeline.GetNormalMatrix());
}
///////////////////////////////////////////////////////////////////////////////
// Render the floor
void RenderFloor(void)
{
GLfloat vBrown [] = { 0.55f, 0.292f, 0.09f, 1.0f};
GLfloat vFloor[] = { 1.0f, 1.0f, 1.0f, 0.6f };
switch(nStep)
{
// Wire frame
case 0:
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vBrown);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glDisable(GL_CULL_FACE);
break;
// Wire frame, but not the back side.. and only where stencil == 0
case 1:
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_EQUAL, 0, 0xff);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vBrown);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
break;
// Solid
case 2:
case 3:
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vBrown);
break;
// Textured
case 4:
case 5:
default:
glBindTexture(GL_TEXTURE_2D, textures[0]);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_MODULATE, transformPipeline.GetModelViewProjectionMatrix(), vFloor, 0);
break;
}
// Draw the floor
floorBatch.Draw();
// Put everything back
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_CULL_FACE);
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
glDisable(GL_STENCIL_TEST);
}
void render()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glUseProgram(shader);
updateCamera();
GLGeometryTransform geometryPipeline;
GLMatrixStack modelViewStack;
GLMatrixStack projectionStack;
geometryPipeline.SetMatrixStacks(modelViewStack, projectionStack);
projectionStack.LoadMatrix(frustum.GetProjectionMatrix());
M3DMatrix44f cameraMatrix;
frame.GetCameraMatrix(cameraMatrix);
modelViewStack.PushMatrix(cameraMatrix);
glUniformMatrix4fv(projectionMatrixLocation, 1, GL_FALSE, geometryPipeline.GetProjectionMatrix());
glUniformMatrix4fv(modelViewMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
glUniformMatrix4fv(normalMatrixLocation, 1, GL_FALSE, geometryPipeline.GetNormalMatrix());
modelViewStack.PushMatrix();
modelViewStack.Translate(0.0, 1.0, 0.0);
glUniformMatrix4fv(projectionMatrixLocation, 1, GL_FALSE, geometryPipeline.GetProjectionMatrix());
glUniformMatrix4fv(modelViewMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
glUniformMatrix4fv(normalMatrixLocation, 1, GL_FALSE, geometryPipeline.GetNormalMatrix());
glDrawElements(GL_TRIANGLES, 3 * n_faces, GL_UNSIGNED_INT, 0);
modelViewStack.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
void render_scene(void) {
float angle = timer.GetElapsedSeconds() * 3.14f / 10.0f;
location[0] = -8.0f * cos(angle / 2.0f);
location[1] = -8.0f * sin(angle / 2.0f);
location[2] = 5.0f;
light_0.position[0] = 10.0f * cos(-angle);
light_0.position[1] = 10.0f * sin(-angle);
light_0.position[2] = 3.0f;
look_at(camera_frame, location, target, up_dir);
camera_frame.GetCameraMatrix(camera_matrix);
p_stack.LoadMatrix(view_frustum.GetProjectionMatrix());
mv_stack.LoadMatrix(camera_matrix);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
//--
glUseProgram(shader_color);
mv_stack.PushMatrix();
mv_stack.Translate(light_0.position[0], light_0.position[1], light_0.position[2]);
mv_stack.Scale(0.25f, 0.25f, 0.25f);
glUniformMatrix4fv(mvp_matrix_location_shader_color, 1, GL_FALSE, geometry_pipeline.GetModelViewProjectionMatrix());
draw_light();
mv_stack.PopMatrix();
//--
glUseProgram(shader_light);
glUniformMatrix3fv(normal_matrix_location, 1, GL_FALSE, geometry_pipeline.GetNormalMatrix());
glUniformMatrix4fv(v_matrix_location, 1, GL_FALSE, camera_matrix);
glUniform3fv(intensity_ambient_component_location, 1, intensity_ambient_component);
glUniform3fv(light_0_position_location, 1, light_0.position);
glUniform3fv(light_0_intensity_diffuse_location, 1, light_0.intensity_diffuse);
glUniform3fv(light_0_intensity_specular_location, 1, light_0.intensity_specular);
glUniform3fv(light_0_attenuation_location, 1, light_0.attenuation);
glUniform1f(material_0_ka_location, material_0.ka);
glUniform1f(material_0_kd_location, material_0.kd);
glUniform1f(material_0_ks_location, material_0.ks);
glUniform1f(material_0_alpha_location, material_0.alpha);
//--
for(int i = -10; i <= 10; i += 3)
for(int j = -10; j <= 10; j += 3) {
mv_stack.PushMatrix();
mv_stack.Translate(i, j, 0.0f);
glUniformMatrix4fv(mvp_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(mv_matrix_location, 1, GL_FALSE, geometry_pipeline.GetModelViewMatrix());
glDrawElements(GL_TRIANGLES, faces.size(), GL_UNSIGNED_INT, 0);
mv_stack.PopMatrix();
}
//--
glUseProgram(0);
glutSwapBuffers();
glutPostRedisplay();
}
///////////////////////////////////////////////////////////////////////////////
// Draw the scene
//
void DrawWorld()
{
modelViewMatrix.Translate(0.0f, 0.8f, 0.0f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(-0.3f, 0.f, 0.0f);
modelViewMatrix.Scale(0.40, 0.8, 0.40);
modelViewMatrix.Rotate(50.0, 0.0, 10.0, 0.0);
glSampleMaski(0, 0x02);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtYellow);
glass1Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.4f, 0.0f, 0.0f);
modelViewMatrix.Scale(0.5, 0.8, 1.0);
modelViewMatrix.Rotate(-20.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x04);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtGreen);
glass2Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(1.0f, 0.0f, -0.6f);
modelViewMatrix.Scale(0.3, 0.9, 1.0);
modelViewMatrix.Rotate(-40.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x08);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtMagenta);
glass3Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(-0.8f, 0.0f, -0.60f);
modelViewMatrix.Scale(0.6, 0.9, 0.40);
modelViewMatrix.Rotate(60.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x10);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtBlue);
glass4Batch.Draw();
modelViewMatrix.PopMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.1f, 0.0f, 0.50f);
modelViewMatrix.Scale(0.4, 0.9, 0.4);
modelViewMatrix.Rotate(205.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x20);
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vLtPink);
glass4Batch.Draw();
modelViewMatrix.PopMatrix();
}
///////////////////////////////////////////////////////////////////////////////
// Draw the scene
//
void DrawWorld()
{
modelViewMatrix.moveTo(0.0f, 0.8f, 0.0f);
modelViewMatrix.push();
modelViewMatrix.moveTo(-0.3f, 0.f, 0.0f);
modelViewMatrix.scaleTo(0.40, 0.8, 0.40);
modelViewMatrix.rotateTo(50.0, 0.0, 10.0, 0.0);
glSampleMaski(0, 0x02);
shaderManager.useStockShader(GLT_SHADER_FLAT, transformPipeline.GetMVPMatrix(), vLtYellow);
glass1Batch.draw();
modelViewMatrix.pop();
modelViewMatrix.push();
modelViewMatrix.moveTo(0.4f, 0.0f, 0.0f);
modelViewMatrix.scaleTo(0.5, 0.8, 1.0);
modelViewMatrix.rotateTo(-20.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x04);
shaderManager.useStockShader(GLT_SHADER_FLAT, transformPipeline.GetMVPMatrix(), vLtGreen);
glass2Batch.draw();
modelViewMatrix.pop();
modelViewMatrix.push();
modelViewMatrix.moveTo(1.0f, 0.0f, -0.6f);
modelViewMatrix.scaleTo(0.3, 0.9, 1.0);
modelViewMatrix.rotateTo(-40.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x08);
shaderManager.useStockShader(GLT_SHADER_FLAT, transformPipeline.GetMVPMatrix(), vLtMagenta);
glass3Batch.draw();
modelViewMatrix.pop();
modelViewMatrix.push();
modelViewMatrix.moveTo(-0.8f, 0.0f, -0.60f);
modelViewMatrix.scaleTo(0.6, 0.9, 0.40);
modelViewMatrix.rotateTo(60.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x10);
shaderManager.useStockShader(GLT_SHADER_FLAT, transformPipeline.GetMVPMatrix(), vLtBlue);
glass4Batch.draw();
modelViewMatrix.pop();
modelViewMatrix.push();
modelViewMatrix.moveTo(0.1f, 0.0f, 0.50f);
modelViewMatrix.scaleTo(0.4, 0.9, 0.4);
modelViewMatrix.rotateTo(205.0, 0.0, 1.0, 0.0);
glSampleMaski(0, 0x20);
shaderManager.useStockShader(GLT_SHADER_FLAT, transformPipeline.GetMVPMatrix(), vLtPink);
glass4Batch.draw();
modelViewMatrix.pop();
}
void SetupRC() {
glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
glEnable(GL_DEPTH_TEST);
shader = gltLoadShaderPairWithAttributes("pass_thru_shader.vp", "pass_thru_shader.fp", 2, GLT_ATTRIBUTE_VERTEX, "vVertex", GLT_ATTRIBUTE_NORMAL, "vNormal");
fprintf(stdout, "GLT_ATTRIBUTE_VERTEX : %d\nGLT_ATTRIBUTE_COLOR : %d \n", GLT_ATTRIBUTE_VERTEX, GLT_ATTRIBUTE_COLOR);
shaderColorLocation = glGetUniformLocation(shader, "light1.color");
shaderAngleLocation = glGetUniformLocation(shader, "light1.angle");
shaderAttenuation0Location = glGetUniformLocation(shader, "light1.attenuation0");
shaderAttenuation1Location = glGetUniformLocation(shader, "light1.attenuation1");
shaderAttenuation2Location = glGetUniformLocation(shader, "light1.attenuation2");
MVMatrixLocation = glGetUniformLocation(shader,"MVMatrix");
MVPMatrixLocation = glGetUniformLocation(shader,"MVPMatrix");
normalMatrixLocation = glGetUniformLocation(shader,"normalMatrix");
ambientLightLocation = glGetUniformLocation(shader,"ambientLight");
shaderPositionLocation = glGetUniformLocation(shader, "light1.position");
shaderAmbientColorLocation = glGetUniformLocation(shader, "material.ambientColor");
shaderDiffuseColorLocation = glGetUniformLocation(shader, "material.diffuseColor");
shaderSpecularColorLocation = glGetUniformLocation(shader, "material.specularColor");
shaderSpecularExponentLocation = glGetUniformLocation(shader, "material.specularExponent");
if(MVMatrixLocation==-1){
fprintf(stderr,"uniform MVMatrix could not be found\n");
}
geometryPipeline.SetMatrixStacks(modelView, projection);
M3DVector3f eye = {1.0f, 1.0f, 1.0f};
M3DVector3f at = {5.0f, 5.0f, 5.0f};
M3DVector3f up = {1.0f, 1.0f, 1.0f};
LookAt(cameraFrame, eye, at, up);
}
// Called to draw scene
void RenderScene(void)
{
// Clear the window and the depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Turn culling on if flag is set
if(iCull)
glEnable(GL_CULL_FACE);
else
glDisable(GL_CULL_FACE);
// Enable depth testing if flag is set
if(iDepth)
glEnable(GL_DEPTH_TEST);
else
glDisable(GL_DEPTH_TEST);
modelViewMatix.PushMatrix(viewFrame);
GLfloat vRed[] = { 1.0f, 0.0f, 0.0f, 1.0f };
//shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vRed);
shaderManager.UseStockShader(GLT_SHADER_DEFAULT_LIGHT, transformPipeline.GetModelViewMatrix(), transformPipeline.GetProjectionMatrix(), vRed);
torusBatch.Draw();
modelViewMatix.PopMatrix();
glutSwapBuffers();
}
void setup_rc() {
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
shader_light = gltLoadShaderPairWithAttributes("gouraud_shading.vp", "gouraud_shading.fp", 3, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color", GLT_ATTRIBUTE_NORMAL, "vertex_normal");
shader_color = gltLoadShaderPairWithAttributes("pass_thru_shader.vp", "pass_thru_shader.fp", 2, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color");
mvp_matrix_location_shader_color = glGetUniformLocation(shader_color, "mvp_matrix");
mvp_matrix_location = glGetUniformLocation(shader_light, "mvp_matrix");
mv_matrix_location = glGetUniformLocation(shader_light, "mv_matrix");
v_matrix_location = glGetUniformLocation(shader_light, "v_matrix");
normal_matrix_location = glGetUniformLocation(shader_light, "normal_matrix");
intensity_ambient_component_location = glGetUniformLocation(shader_light, "intensity_ambient_component");
light_0_position_location = glGetUniformLocation(shader_light, "light_0.position");
light_0_intensity_diffuse_location = glGetUniformLocation(shader_light, "light_0.intensity_diffuse");
light_0_intensity_specular_location = glGetUniformLocation(shader_light, "light_0.intensity_specular");
light_0_attenuation_location = glGetUniformLocation(shader_light, "light_0.attenuation");
material_0_ka_location = glGetUniformLocation(shader_light, "material_0.ka");
material_0_kd_location = glGetUniformLocation(shader_light, "material_0.kd");
material_0_ks_location = glGetUniformLocation(shader_light, "material_0.ks");
material_0_alpha_location = glGetUniformLocation(shader_light, "material_0.alpha");
light_0.set_position(0.0f, 0.0f, 0.0f);
light_0.set_intensity_diffuse(1.0f, 1.0f, 1.0f);
light_0.set_intensity_specular(1.0f, 1.0f, 1.0f);
light_0.set_attenuation(0.0f, 0.1f, 0.0f);
material_0.set_parameters(1.0f, 1.0f, 1.0f, 200.0f);
geometry_pipeline.SetMatrixStacks(mv_stack, p_stack);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glFrontFace(GL_CCW);
}
///////////////////////////////////////////////////////////////////////////////
// Window has changed size, or has just been created. In either case, we need
// to use the window dimensions to set the viewport and the projection matrix.
void ChangeSize(int w, int h)
{
glViewport(0, 0, w, h);
viewFrustum.SetPerspective(35.0f, float(w) / float(h), 1.0f, 500.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
}
///////////////////////////////////////////////////////
// Called to draw scene
void RenderScene(void)
{
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT);
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 0.0f, viewZ);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE, transformPipeline.GetModelViewProjectionMatrix(), 0);
glBindTexture(GL_TEXTURE_2D, textures[TEXTURE_FLOOR]);
floorBatch.Draw();
glBindTexture(GL_TEXTURE_2D, textures[TEXTURE_CEILING]);
ceilingBatch.Draw();
glBindTexture(GL_TEXTURE_2D, textures[TEXTURE_BRICK]);
leftWallBatch.Draw();
rightWallBatch.Draw();
modelViewMatrix.PopMatrix();
// Buffer swap
glutSwapBuffers();
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
break;
case 2:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
break;
case 3:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR);
break;
case 4:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
break;
case 5:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
break;
case 6:
{
GLfloat fLargest = 0;
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &fLargest); // 获取各向异性支持的数量
glTexParameteri(GL_TEXTURE_2D, GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, fLargest);
}
break;
case 7:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1);
}
}
// Trigger redraw
glutPostRedisplay();
}
void ChangeSize(int w, int h){
if(h == 0) { h = 1; }
glViewport(0, 0, w, h);
viewFrustum.SetPerspective(35.0f, float(w)/float(h), 1.0f, 1000.0f);
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
geometryPipeline.SetMatrixStacks(modelView, projection);
}
///////////////////////////////////////////////////////////////////////////////
// This is called at least once and before any rendering occurs. If the screen
// is a resizeable window, then this will also get called whenever the window
// is resized.
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
// update screen sizes
screenWidth = nWidth;
screenHeight = nHeight;
// reset screen aligned quad
gltGenerateOrtho2DMat(screenWidth, screenHeight, orthoMatrix, screenQuad);
free(pixelData);
pixelDataSize = screenWidth*screenHeight*3*sizeof(unsigned int);
pixelData = (void*)malloc(pixelDataSize);
// Resize PBOs
#ifndef OPENGL_ES
glBindBuffer(GL_PIXEL_PACK_BUFFER, pixBuffObjs[0]);
glBufferData(GL_PIXEL_PACK_BUFFER, pixelDataSize, pixelData, GL_DYNAMIC_COPY);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
#endif
gltCheckErrors();
}
///////////////////////////////////////////////////////////////////////////////
// This is called at least once and before any rendering occurs. If the screen
// is a resizeable window, then this will also get called whenever the window
// is resized.
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
// update screen sizes
screenWidth = nWidth;
screenHeight = nHeight;
glBindRenderbuffer(GL_RENDERBUFFER, depthBufferName);
#ifndef ANGLE
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT32, screenWidth, screenHeight);
#else
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, screenWidth, screenHeight);
#endif
glBindRenderbuffer(GL_RENDERBUFFER, renderBufferNames[0]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, screenWidth, screenHeight);
glBindRenderbuffer(GL_RENDERBUFFER, renderBufferNames[1]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, screenWidth, screenHeight);
glBindRenderbuffer(GL_RENDERBUFFER, renderBufferNames[2]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, screenWidth, screenHeight);
}
void RenderScene(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
modelViewMatrix.PushMatrix();
{
modelViewMatrix.Translate(0.0f, 0.0f, viewZ);
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE, transformPipeLine.GetModelViewProjectionMatrix(), 0);
glBindTexture(GL_TEXTURE_2D, uiTextures[TEXTURE_FLOOR]);
floorBatch.Draw();
glBindTexture(GL_TEXTURE_2D, uiTextures[TEXTURE_CEILING]);
ceilingBatch.Draw();
glBindTexture(GL_TEXTURE_2D, uiTextures[TEXTURE_BRICK]);
leftWallBatch.Draw();
rightWallBatch.Draw();
}
modelViewMatrix.PopMatrix();
glutSwapBuffers();
}
void DrawBaeumchen() {
// Boden
modelViewMatrix.PushMatrix();
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0, -25, 0);
modelViewMatrix.Scale(20, -0.01, 20);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
modelViewMatrix.PopMatrix();
DrawCube();
// Baumstamm
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0, 0.0, 0);
modelViewMatrix.PushMatrix();
modelViewMatrix.Scale(0.3, 0.5, 0.3);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
modelViewMatrix.PopMatrix();
DrawCylinder();
//unterster Kegel
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0, 25.0, 0);
modelViewMatrix.Scale(1.5, 1.5, 1.5);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
DrawCone();
// mittlerer Kegel
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0, 40.0, 0);
modelViewMatrix.Scale(0.75, 0.75, 0.75);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
DrawCone();
// Spitze
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0, 50.0, 0);
modelViewMatrix.Scale(0.75, 0.75, 0.75);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
DrawCone();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
}
void loadUniform(M3DVector3f ambientLight, M3DVector3f color, M3DVector3f position, M3DVector3f ambientColor, M3DVector3f diffuseColor, float lightAngle, float attenuation0, float attenuation1, float attenuation2, M3DVector3f specularColor, float specularExponent)
{
glUniformMatrix4fv(MVMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix3fv(normalMatrixLocation, 1, GL_FALSE, geometryPipeline.GetNormalMatrix());
glUniform3fv(ambientLightLocation, 1, ambientLight);
glUniform3fv(shaderPositionLocation, 1, position);
glUniform3fv(shaderColorLocation, 1, color);
glUniform1f(shaderAngleLocation, lightAngle);
glUniform1f(shaderAttenuation0Location, attenuation0);
glUniform1f(shaderAttenuation1Location, attenuation1);
glUniform1f(shaderAttenuation2Location, attenuation2);
glUniform3fv(shaderAmbientColorLocation, 1, ambientColor);
glUniform3fv(shaderDiffuseColorLocation, 1, diffuseColor);
glUniform3fv(shaderSpecularColorLocation, 1, specularColor);
glUniform1f(shaderSpecularExponentLocation, specularExponent);
}
void SetupStraightTexProg()
{
// Set the cur prog for tex replace
glUseProgram(mapTexProg);
// Set MVP matrix
glUniformMatrix4fv(glGetUniformLocation(mapTexProg, "mvpMatrix"), 1, GL_FALSE, transformPipeline.GetModelViewProjectionMatrix());
}
///////////////////////////////////////////////////////////////////////////////
// Draw the scene
//
void DrawWorld(GLfloat yRot)
{
M3DMatrix44f mCamera;
modelViewMatrix.GetMatrix(mCamera);
// Need light position relative to the Camera
M3DVector4f vLightTransformed;
m3dTransformVector4(vLightTransformed, vLightPos, mCamera);
// Draw the light source as a small white unshaded sphere
modelViewMatrix.PushMatrix();
modelViewMatrix.Translatev(vLightPos);
if(bUseFBO)
UseProcessProgram(vLightPos, vWhite, -1);
else
shaderManager.UseStockShader(GLT_SHADER_FLAT, transformPipeline.GetModelViewProjectionMatrix(), vWhite);
sphereBatch.Draw();
modelViewMatrix.PopMatrix();
// Draw stuff relative to the camera
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 0.2f, -2.5f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Rotate(yRot, 0.0f, 1.0f, 0.0f);
modelViewMatrix.Translate(0.0, (GLfloat)-0.60, 0.0);
modelViewMatrix.Scale((GLfloat)0.02, (GLfloat)0.006, (GLfloat)0.02);
glBindTexture(GL_TEXTURE_2D, ninjaTex[0]);
if(bUseFBO)
{
UseProcessProgram(vLightTransformed, vWhite, 0);
}
else
{
shaderManager.UseStockShader(GLT_SHADER_TEXTURE_REPLACE, transformPipeline.GetModelViewProjectionMatrix(), 0);
}
ninja.Render(0,0);
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
}
void DrawMaennchen(float angle) {
//float overallScaleFactor = 0.2 * cos(GL_PI / 200 * angle) + 1;
float jumpFactor = abs(cos(GL_PI/10 * angle));
/**
* Rumpf zeichnen
**/
modelViewMatrix.PushMatrix();
modelViewMatrix.Rotate(angle, 0, -1, 0);
// generelle Verschiebung aus dem Mittelpunkt heraus
modelViewMatrix.Translate(200.0f, 0.0f, 0.0f);
// Verschiebung fuer Huepfbahn
modelViewMatrix.Translate(0.0f, 30 * jumpFactor, 0);
//modelViewMatrix.Scale(overallScaleFactor, overallScaleFactor, overallScaleFactor);
modelViewMatrix.PushMatrix();
modelViewMatrix.Scale(0.9, 1.0, 0.7);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
DrawCylinder();
modelViewMatrix.PopMatrix();
// Hals
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 55.0f, 0.0f);
modelViewMatrix.PushMatrix();
modelViewMatrix.Scale(0.25, 0.15, 0.25);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
DrawCylinder();
modelViewMatrix.PopMatrix();
// Kopf
modelViewMatrix.PushMatrix();
modelViewMatrix.Translate(0.0f, 40.0f, 0.0f);
modelViewMatrix.Scale(0.72, 0.72, 0.72);
shaderManager.UseStockShader(GLT_SHADER_FLAT_ATTRIBUTES, transformPipeline.GetModelViewProjectionMatrix());
DrawSphere();
modelViewMatrix.PopMatrix();
modelViewMatrix.PopMatrix();
// Giedmaßen zeichnen - abhaengig vom Rumpf!
DrawLimbs(angle);
modelViewMatrix.PopMatrix();
}
void ChangeSize(int nWidth, int nHeight)
{
glViewport(0, 0, nWidth, nHeight);
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix);
viewFrustum.SetPerspective(35.0f, float(nWidth)/float(nHeight), 1.0f, 100.0f);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelViewMatrix.LoadIdentity();
}
void Reshape(int w,int h)
{
if(h == 0) h = 1;
glViewport(0,0,w,h);
viewFrustum.SetPerspective(35.0,(float) w /(float) h,1.0,2000.0);
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeLine.SetMatrixStacks(modelViewMatrix,projectionMatrix);
}
void changeSize(int w, int h)
{
glViewport(0, 0, w, h);
if(h <= 0) {h = 1;}
viewFrustum.SetPerspective(35.0f, float(w)/float(h), 1.0f, 100.0f);
projectionStack.LoadMatrix(viewFrustum.GetProjectionMatrix());
tPipeline.SetMatrixStacks(modelViewStack, projectionStack);
}
void drawSun()
{
//draw the sphere batch as a sun
modelViewMatrix.PushMatrix();
modelViewMatrix.Translatev(vLightPosition);
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),vWhite);
sphereBatch.Draw();
modelViewMatrix.PopMatrix();
}
void RenderScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glFrontFace(GL_CW);
glUseProgram(shader);
M3DVector3f at={0.0f, 0.0f, 0.0f};
M3DVector3f up={0.0f, 0.0f, 1.0f};
M3DVector3f eye;
float angle = timer.GetElapsedSeconds()*3.14159f/8;
eye[0]= 6.8f * cos(angle);
eye[1]= 6.0f * sin(angle);
eye[2]= 25.0f;
LookAt(cameraFrame,eye,at,up);
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelView.PushMatrix();
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
szachownica();
modelView.Translate(0.0f, 0.0f, 0.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujPiramidke();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(5.0f, 0.0f, 0.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujPiramidke();
modelView.PopMatrix();
modelView.PushMatrix();
modelView.Translate(-5.0f, 0.0f, 0.0f);
modelView.Scale(2.0f, 2.0f, 2.0f);
glUniformMatrix4fv(MVMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
rysujPiramidke();
modelView.PopMatrix();
modelView.PopMatrix();
glutSwapBuffers();
glutPostRedisplay();
}
