Exemplos de ComputePositionOffsets em C++ (Cpp)

Exemplo n.º 1

Arquivo: gltut2.cpp Projeto: pigoz/gltut-osx

void render(CGLContextObj cgl_ctx) {
    float fXOffset = 0.0f, fYOffset = 0.0f;
    ComputePositionOffsets(fXOffset, fYOffset);
    AdjustVertexData(fXOffset, fYOffset);

    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glClear(GL_COLOR_BUFFER_BIT);

    glUseProgram(shader_program);

    glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer_object);
    glEnableVertexAttribArray(0);
    glEnableVertexAttribArray(1);
    glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, 0);
    glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 0,
            (void *) (sizeof(float)*3*4));

    glDrawArrays(GL_TRIANGLES, 0, 3);

    glDisableVertexAttribArray(0);
    glDisableVertexAttribArray(1);

    glUseProgram(0);

    CGLFlushDrawable(cgl_ctx);
}

Exemplo n.º 2

Arquivo: Program.cpp Projeto: IgnacioAmigo/Kenzan

void draw(float a) {

	glClearColor(0.5, (a++ / 1000.f), 0, 1);
	glClear(GL_COLOR_BUFFER_BIT);

	float fXOffset = 0.0f, fYOffset = 0.0f;
	ComputePositionOffsets(fXOffset, fYOffset);
	AdjustVertexData(fXOffset, fYOffset);

	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
	glClear(GL_COLOR_BUFFER_BIT);

	glUseProgram(theProgram);
	glUniform2f(offsetLocation, fXOffset, fYOffset);
	glUniform1f(timeLocation, SDL_GetTicks()/1000.0f);


	size_t colorData = sizeof(vertexPositions) / 2;
	glBindBuffer(GL_ARRAY_BUFFER, positionBufferObject);
	glEnableVertexAttribArray(0);
	glEnableVertexAttribArray(1);
	glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, 0);
	glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 0, (void*)colorData);

	glDrawArrays(GL_TRIANGLES, 0, 36);

	glDisableVertexAttribArray(0);
	glDisableVertexAttribArray(1);
	glUseProgram(0);


	SDL_GL_SwapWindow(m_window);
}

Exemplo n.º 3

Arquivo: cpuPositionOffset.cpp Projeto: captainadamo/glfw_gltut

void display()
{
    float xOffset = 0.0f, yOffset = 0.0f;
    ComputePositionOffsets(xOffset, yOffset);
    AdjustVertexData(xOffset, yOffset);

    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    glClear(GL_COLOR_BUFFER_BIT);

    glUseProgram(theProgram);

    glBindBuffer(GL_ARRAY_BUFFER, positionBufferObject);
    glEnableVertexAttribArray(0);
    glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, 0);

    glDrawArrays(GL_TRIANGLES, 0, 3);

    glDisableVertexAttribArray(0);
    glUseProgram(0);
}

Exemplo n.º 4

Arquivo: vertPositionOffset.cpp Projeto: Blisse/OGLTicTacToe

//Called to update the display.
//You should call glutSwapBuffers after all of your rendering to display what you rendered.
//If you need continuous updates of the screen, call glutPostRedisplay() at the end of the function.
void display()
{
	float fXOffset = 0.0f, fYOffset = 0.0f;
	ComputePositionOffsets(fXOffset, fYOffset);

	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
	glClear(GL_COLOR_BUFFER_BIT);

	glUseProgram(theProgram);

	glUniform2f(offsetLocation, fXOffset, fYOffset);

	glBindBuffer(GL_ARRAY_BUFFER, positionBufferObject);
	glEnableVertexAttribArray(0);
	glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, 0);

	glDrawArrays(GL_TRIANGLES, 0, 3);

	glDisableVertexAttribArray(0);
	glUseProgram(0);

	glutSwapBuffers();
	glutPostRedisplay();
}