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[core] Added PrecisionPoint to represent pixel points

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This commit is contained in:
Bruno de Oliveira Abinader
2015-11-10 11:50:04 +02:00
parent e5c460f2db
commit e2052ea3e4
8 changed files with 30 additions and 17 deletions
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15
src/mbgl/map/transform.cpp
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@@ -87,21 +87,20 @@ void Transform::easeTo(CameraOptions options) {
_easeTo(options, new_scale, angle, xn, yn);
}
void Transform::moveBy(const double dx, const double dy, const Duration& duration) {
if (std::isnan(dx) || std::isnan(dy)) {
void Transform::moveBy(const PrecisionPoint& point, const Duration& duration) {
if (!point.isValid()) {
return;
}
_moveBy(dx, dy, duration);
_moveBy(point, duration);
}
void Transform::_moveBy(const double dx, const double dy, const Duration& duration) {
double x = state.x + std::cos(state.angle) * dx + std::sin( state.angle) * dy;
double y = state.y + std::cos(state.angle) * dy + std::sin(-state.angle) * dx;
void Transform::_moveBy(const PrecisionPoint& point, const Duration& duration) {
double x = state.x + std::cos(state.angle) * point.x + std::sin( state.angle) * point.y;
double y = state.y + std::cos(state.angle) * point.y + std::sin(-state.angle) * point.x;
state.constrain(state.scale, y);
CameraOptions options;
options.duration = duration;
_easeTo(options, state.scale, state.angle, x, y);