static void RenderSceneCB()
{
glClear(GL_COLOR_BUFFER_BIT);
static float Scale = 0.0f;
Scale += 0.1f;
Pipeline p;
p.Rotate(0.0f, Scale, 0.0f);
p.WorldPos(0.0f, 0.0f, 3.0f);
Vector3f CameraPos(0.0f, 0.0f, -3.0f);
Vector3f CameraTarget(0.0f, 0.0f, 2.0f);
Vector3f CameraUp(0.0f, 1.0f, 0.0f);
p.SetCamera(CameraPos, CameraTarget, CameraUp);
p.SetPerspectiveProj(60.0f, WINDOW_WIDTH, WINDOW_HEIGHT, 1.0f, 100.0f);
glUniformMatrix4fv(gWVPLocation, 1, GL_TRUE, (const GLfloat*)p.GetTrans());
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IBO);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glutSwapBuffers();
}
void Scene::render()
{
// Efface le tampon d'affichage
glClear(GL_COLOR_BUFFER_BIT);
static float Scale = 0.0f;
Scale += 0.5f;
Pipeline p;
p.Rotate(0.0f, Scale, 0.0f);
p.WorldPos(0.0f, 0.0f, 0.0f);
p.SetPerspectiveProj(75.0f, 800.0f, 600.0f, 1.0f, 100.0f);
QVector3D CameraPos(0.0f, 0.0f, 1.1f);
QVector3D CameraTarget(0.0f, 0.0f, 1.0f);
QVector3D CameraUp(0.0f, 1.0f, 0.0f);
p.SetCamera(CameraPos, CameraTarget, CameraUp);
m_shaderProgram.bind();
m_shaderProgram.setUniformValue("gWVP", p.GetTrans());
glDrawElements(GL_LINE_STRIP, m_indices.size(), GL_UNSIGNED_INT, 0);
}
std::function<void ()> Tutorial::makeDisplayFunc()
{
switch (_tutorialID) {
case 1:
case 2:
case 3:
return nullptr;
case 4:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 5:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.00001f;
/// glUniform1f provides a value for the Uniform attribute of the shader.
/// In this example, sin(scale).
///
/// Internally, the shader uses the value of scale to adjust the Position (x,y) of the vertices.
///
glUniform1f(_gScaleLocation, sinf(scale));
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 6:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.00001f;
Matrix4f world;
world.m[0][0] = 1.0f;
world.m[0][1] = 0.0f;
world.m[0][2] = 0.0f;
world.m[0][3] = sinf(scale);
world.m[1][0] = 0.0f;
world.m[1][1] = 1.0f;
world.m[1][2] = 0.0f;
world.m[1][3] = 0.0f;
world.m[2][0] = 0.0f;
world.m[2][1] = 0.0f;
world.m[2][2] = 1.0f;
world.m[2][3] = 0.0f;
world.m[3][0] = 0.0f;
world.m[3][1] = 0.0f;
world.m[3][2] = 0.0f;
world.m[3][3] = 1.0f;
glUniformMatrix4fv(_gWorldLocation, 1, GL_TRUE, &world.m[0][0]);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 7:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
if (_msOnOff) {
glEnable(GL_MULTISAMPLE_ARB);
glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST);
// detect current settings
GLint iMultiSample = 0;
GLint iNumSamples = 0;
glGetIntegerv(GL_SAMPLE_BUFFERS, &iMultiSample);
glGetIntegerv(GL_SAMPLES, &iNumSamples);
// printf("MSAA on, GL_SAMPLE_BUFFERS = %d, GL_SAMPLES = %d\n", iMultiSample, iNumSamples);
}
else {
glDisable(GL_MULTISAMPLE_ARB);
}
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.0005f;
Matrix4f world;
world.m[0][0] = cosf(scale);
world.m[0][1] = -sinf(scale);
world.m[0][2] = 0.0f;
world.m[0][3] = 0.0f;
world.m[1][0] = sinf(scale);
world.m[1][1] = cosf(scale);
world.m[1][2] = 0.0f;
world.m[1][3] = 0.0f;
world.m[2][0] = 0.0f;
world.m[2][1] = 0.0f;
world.m[2][2] = 1.0f;
world.m[2][3] = 0.0f;
world.m[3][0] = 0.0f;
world.m[3][1] = 0.0f;
world.m[3][2] = 0.0f;
world.m[3][3] = 1.0f;
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldLocation, 1, GL_TRUE, &world.m[0][0]);
/// Load the desired size into the shader.
glUniform1f(_gScaleLocation, 0.5);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, 6);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 8:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.001f;
Matrix4f world;
world.m[0][0] = sinf(scale);
world.m[0][1] = 0.0f;
world.m[0][2] = 0.0f;
world.m[0][3] = 0.0f;
world.m[1][0] = 0.0f;
world.m[1][1] = sinf(scale);
world.m[1][2] = 0.0f;
world.m[1][3] = 0.0f;
world.m[2][0] = 0.0f;
world.m[2][1] = 0.0f;
world.m[2][2] = sinf(scale);
world.m[2][3] = 0.0f;
world.m[3][0] = 0.0f;
world.m[3][1] = 0.0f;
world.m[3][2] = 0.0f;
world.m[3][3] = 1.0f;
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldLocation, 1, GL_TRUE, &world.m[0][0]);
/// Load the desired size into the shader.
glUniform1f(_gScaleLocation, 0.5);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 9:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.001f;
Matrix4f world;
///
world.m[0][0] = sinf(scale);
world.m[0][1] = 0.0f;
world.m[0][2] = 0.0f;
world.m[0][3] = 0.0f;
world.m[1][0] = 0.0f;
world.m[1][1] = sinf(scale);
world.m[1][2] = 0.0f;
world.m[1][3] = 0.0f;
world.m[2][0] = 0.0f;
world.m[2][1] = 0.0f;
world.m[2][2] = sinf(scale);
world.m[2][3] = 0.0f;
world.m[3][0] = 0.0f;
world.m[3][1] = 0.0f;
world.m[3][2] = 0.0f;
world.m[3][3] = 1.0f;
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldLocation, 1, GL_TRUE, &world.m[0][0]);
/// Load the desired size into the shader.
// glUniform1f(_gScaleLocation, 0.5);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 10:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.001f;
Matrix4f world;
///
world.m[0][0] = cosf(scale);
world.m[0][1] = 0.0f;
world.m[0][2] = -sinf(scale);
world.m[0][3] = 0.0f;
world.m[1][0] = 0.0f;
world.m[1][1] = 1.0f;
world.m[1][2] = 0.0f;
world.m[1][3] = 0.0f;
world.m[2][0] = sinf(scale);
world.m[2][1] = 0.0f;
world.m[2][2] = cosf(scale);
world.m[2][3] = 0.0f;
world.m[3][0] = 0.0f;
world.m[3][1] = 0.0f;
world.m[3][2] = 0.0f;
world.m[3][3] = 1.0f;
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldLocation, 1, GL_TRUE, &world.m[0][0]);
/// Load the desired size into the shader.
// glUniform1f(_gScaleLocation, 0.9);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _IBO);
// glDrawArrays(GL_TRIANGLES, 0, 3);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 11:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.001f;
Pipeline pipeLine;
pipeLine.Scale(sinf(scale * 0.1f), sinf(scale * 0.1f), sinf(scale * 0.1f));
pipeLine.WorldPos(sinf(scale), 0.0f, 0.0f);
pipeLine.Rotate(sinf(scale) * 90.0f, sinf(scale) * 90.0f, sinf(scale) * 90.0f);
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldLocation, 1, GL_TRUE, (const GLfloat*)pipeLine.GetWorldTrans());
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _IBO);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glutSwapBuffers();
};
case 12:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.01f;
Pipeline pipeLine;
pipeLine.Rotate(0.0f, scale, 0.0f);
pipeLine.WorldPos(0.0f, 0.0f, 5.0f);
pipeLine.SetPerspectiveProj(_gPersProjInfo);
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldLocation, 1, GL_TRUE, (const GLfloat*)pipeLine.GetWPTrans());
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _IBO);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glutSwapBuffers();
// QThread::msleep(1);
};
case 13:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.01f;
Pipeline pipeLine;
pipeLine.Rotate(0.0f, scale, 0.0f);
pipeLine.WorldPos(0.0f, 0.0f, 3.0f);
Vector3f CameraPos(0.0f, 0.0f, -3.0f);
Vector3f CameraTarget(0.0f, 0.0f, 2.0f);
Vector3f CameraUp(0.0f, 1.0f, 0.0f);
pipeLine.SetCamera(CameraPos, CameraTarget, CameraUp);
pipeLine.SetPerspectiveProj(_gPersProjInfo);
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldViewProjectionLocation, 1, GL_TRUE, (const GLfloat*)pipeLine.GetWorldViewProjectionTrans());
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _IBO);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glutSwapBuffers();
// QThread::msleep(1);
};
case 14:
return [ & ]() {
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.01f;
Pipeline pipeLine;
pipeLine.Rotate(0.0f, scale, 0.0f);
pipeLine.WorldPos(0.0f, 0.0f, 3.0f);
pipeLine.SetCamera(*_pGameCamera);
pipeLine.SetPerspectiveProj(_gPersProjInfo);
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldViewProjectionLocation, 1, GL_TRUE, (const GLfloat*)pipeLine.GetWorldViewProjectionTrans());
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _IBO);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glutSwapBuffers();
// QThread::msleep(1);};
};
case 15:
return [ & ]() {
_pGameCamera->OnRender();
glClear(GL_COLOR_BUFFER_BIT);
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.01f;
Pipeline pipeLine;
pipeLine.Rotate(0.0f, scale, 0.0f);
pipeLine.WorldPos(0.0f, 0.0f, 3.0f);
pipeLine.SetCamera(*_pGameCamera);
pipeLine.SetPerspectiveProj(_gPersProjInfo);
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldViewProjectionLocation, 1, GL_TRUE, (const GLfloat*)pipeLine.GetWorldViewProjectionTrans());
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _IBO);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glutSwapBuffers();
// QThread::msleep(1);};
};
case 16:
return [ & ]() {
_pGameCamera->OnRender();
glClear(GL_COLOR_BUFFER_BIT);
if (_msOnOff) {
glEnable(GL_MULTISAMPLE_ARB);
}
else {
glDisable(GL_MULTISAMPLE_ARB);
}
/// allocate a static variable scale
static float scale = 0.0f;
/// increment scale by 0.001.
scale += 0.05f;
Pipeline pipeLine;
pipeLine.Rotate(0.0f, scale, 0.0f);
pipeLine.WorldPos(0.0f, 0.0f, 3.0f);
pipeLine.SetCamera(*_pGameCamera);
pipeLine.SetPerspectiveProj(_gPersProjInfo);
/// Load the matrix into the shader.
glUniformMatrix4fv(_gWorldViewProjectionLocation, 1, GL_TRUE, (const GLfloat*)pipeLine.GetWorldViewProjectionTrans());
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, _VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), 0);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (const GLvoid*)12);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _IBO);
_pTexture->Bind(GL_TEXTURE0);
glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
glutSwapBuffers();
// QThread::msleep(1);};
};
}
return nullptr;
}
