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[python/turtle] Turtle::m_drawn is false if sandbox not displayed

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This way, Turtle::draw() and erase() are more symetrical and no not
perform themselves if the turtle is already drawn / erased.
This commit is contained in:
Léa Saviot
2018-12-17 17:20:25 +01:00
parent ed19d19070
commit 4b306791c0
9 changed files with 49 additions and 23 deletions
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10
python/port/mod/turtle/turtle.cpp
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@@ -166,6 +166,10 @@ void Turtle::setColor(const char * color) {
}
}
void Turtle::viewDidDisappear() {
m_drawn = false;
}
// Private functions
void Turtle::setHeadingPrivate(mp_float_t angle) {
@@ -225,7 +229,7 @@ KDRect Turtle::iconRect() const {
bool Turtle::draw(bool force) {
MicroPython::ExecutionEnvironment::currentExecutionEnvironment()->displaySandbox();
if ((m_speed > 0 || force) && m_visible && hasUnderneathPixelBuffer()) {
if ((m_speed > 0 || force) && m_visible && !m_drawn && hasUnderneathPixelBuffer()) {
KDContext * ctx = KDIonContext::sharedContext();
// Get the pixels underneath the turtle
@@ -322,8 +326,8 @@ bool Turtle::dot(mp_float_t x, mp_float_t y) {
}
void Turtle::drawPaw(PawType type, PawPosition pos) {
assert(!m_drawn && m_underneathPixelBuffer != nullptr);
assert(!m_drawn);
assert(m_underneathPixelBuffer != nullptr);
KDCoordinate pawOffset = 5;
constexpr float crawlOffset = 0.6f;
constexpr float angles[] = {M_PI_2/2, M_PI_2+M_PI_2/2, -M_PI_2-M_PI_2/2, -M_PI_2/2};