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move background to vertex buffer

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Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
This commit is contained in:
Trial97
2025-01-10 14:54:40 +02:00
parent 0219c11a73
commit 87ec7cdd39
9 changed files with 68 additions and 46 deletions
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30
launcher/ui/dialogs/skins/draw/BoxGeometry.cpp
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@ -68,6 +68,16 @@ static const QVector<GLushort> indices = {
20, 20, 21, 22, 23 // Face 5 - triangle strip (v20, v21, v22, v23)
};
static const QVector<VertexData> planeVertices = {
{ QVector4D(-1.0f, -1.0f, -0.5f, 1.0f), QVector2D(0.0f, 0.0f) }, // Bottom-left
{ QVector4D(1.0f, -1.0f, -0.5f, 1.0f), QVector2D(1.0f, 0.0f) }, // Bottom-right
{ QVector4D(-1.0f, 1.0f, -0.5f, 1.0f), QVector2D(0.0f, 1.0f) }, // Top-left
{ QVector4D(1.0f, 1.0f, -0.5f, 1.0f), QVector2D(1.0f, 1.0f) }, // Top-right
};
static const QVector<GLushort> planeIndices = {
0, 1, 2, 3, 3 // Face 0 - triangle strip ( v0, v1, v2, v3)
};
QVector<QVector4D> transformVectors(const QMatrix4x4& matrix, const QVector<QVector4D>& vectors)
{
QVector<QVector4D> transformedVectors;
@ -117,7 +127,6 @@ QVector<QVector2D> getCubeUVs(float u, float v, float width, float height, float
left[2],
};
auto uvTop = {
top[0],
top[1],
top[3],
@ -198,7 +207,7 @@ void BoxGeometry::draw(QOpenGLShaderProgram* program)
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, offset, 2, sizeof(VertexData));
// Draw cube geometry using indices from VBO 1
glDrawElements(GL_TRIANGLE_STRIP, indices.size(), GL_UNSIGNED_SHORT, nullptr);
glDrawElements(GL_TRIANGLE_STRIP, m_indecesCount, GL_UNSIGNED_SHORT, nullptr);
}
void BoxGeometry::initGeometry(float u, float v, float width, float height, float depth, float textureWidth, float textureHeight)
@ -226,10 +235,27 @@ void BoxGeometry::initGeometry(float u, float v, float width, float height, floa
// Transfer index data to VBO 1
m_indexBuf.bind();
m_indexBuf.allocate(indices.constData(), indices.size() * sizeof(GLushort));
m_indecesCount = indices.size();
}
void BoxGeometry::rotate(float angle, const QVector3D& vector)
{
m_matrix.rotate(angle, vector);
}
BoxGeometry* BoxGeometry::Plane()
{
auto b = new BoxGeometry(QVector3D(), QVector3D());
// Transfer vertex data to VBO 0
b->m_vertexBuf.bind();
b->m_vertexBuf.allocate(planeVertices.constData(), planeVertices.size() * sizeof(VertexData));
// Transfer index data to VBO 1
b->m_indexBuf.bind();
b->m_indexBuf.allocate(planeIndices.constData(), planeIndices.size() * sizeof(GLushort));
b->m_indecesCount = planeIndices.size();
return b;
}
} // namespace opengl