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Line2D texture stretch mode

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Prototype for stretching the texture across the whole line.
Fixed end cap tile mode.
This commit is contained in:
Jorn Van denbussche
2018-07-16 14:31:19 +02:00
parent 28aa9a1d6d
commit d7aa3e33c8
4 changed files with 16 additions and 5 deletions
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11
scene/2d/line_builder.cpp
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@@ -146,7 +146,9 @@ void LineBuilder::build() {
float current_distance1 = 0.f;
float total_distance = 0.f;
_interpolate_color = gradient != NULL;
bool distance_required = _interpolate_color || texture_mode == Line2D::LINE_TEXTURE_TILE;
bool distance_required = _interpolate_color ||
texture_mode == Line2D::LINE_TEXTURE_TILE ||
texture_mode == Line2D::LINE_TEXTURE_STRETCH;
if (distance_required)
total_distance = calculate_total_distance(points);
if (_interpolate_color)
@@ -292,6 +294,9 @@ void LineBuilder::build() {
if (texture_mode == Line2D::LINE_TEXTURE_TILE) {
uvx0 = current_distance0 / (width * tile_aspect);
uvx1 = current_distance1 / (width * tile_aspect);
} else if (texture_mode == Line2D::LINE_TEXTURE_STRETCH) {
uvx0 = current_distance0 / total_distance;
uvx1 = current_distance1 / total_distance;
}
strip_add_quad(pos_up1, pos_down1, color1, uvx1);
@@ -378,6 +383,8 @@ void LineBuilder::build() {
}
if (texture_mode == Line2D::LINE_TEXTURE_TILE) {
uvx1 = current_distance1 / (width * tile_aspect);
} else if (texture_mode == Line2D::LINE_TEXTURE_STRETCH) {
uvx1 = current_distance1 / total_distance;
}
strip_add_quad(pos_up1, pos_down1, color1, uvx1);
@@ -386,7 +393,7 @@ void LineBuilder::build() {
if (end_cap_mode == Line2D::LINE_CAP_ROUND) {
// Note: color is not used in case we don't interpolate...
Color color = _interpolate_color ? gradient->get_color(gradient->get_points_count() - 1) : Color(0, 0, 0);
new_arc(pos1, pos_up1 - pos1, Math_PI, color, Rect2(uvx1 - 0.5f, 0.f, 1.f, 1.f));
new_arc(pos1, pos_up1 - pos1, Math_PI, color, Rect2(uvx1 - 0.5f / tile_aspect, 0.f, 1.0f / tile_aspect, 1.f));
}
}