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improve brush preview

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This commit is contained in:
omigamedev
2019-02-19 11:33:41 +01:00
parent e4ee87e4c6
commit 08cca154b7
11 changed files with 612 additions and 246 deletions
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19
src/node_stroke_preview.h
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@@ -6,13 +6,28 @@
class NodeStrokePreview : public NodeBorder
{
struct StrokeFrame
{
glm::vec4 col;
float pressure;
std::array<vertex_t, 4> shapes;
glm::vec4 m_mixer_rect;
};
RTT m_rtt;
RTT m_rtt_mixer;
Texture2D m_tex; // blending tmp texture
Texture2D m_tex_dual;
Texture2D m_tex_background;
Sampler m_sampler;
Sampler m_sampler_brush;
BrushMesh m_mesh;
DynamicShape m_brush_shape;
public:
std::shared_ptr<Brush> m_brush;
std::shared_ptr<Brush> m_dual_brush;
Stroke m_stroke;
Stroke m_dual_stroke;
std::vector<glm::vec2> m_bez_points;
virtual Node* clone_instantiate() const override;
virtual void clone_copy(Node* dest) const override;
@@ -21,6 +36,10 @@ public:
void init_controls();
virtual void restore_context() override;
virtual void clear_context() override;
void stroke_draw_mix(const glm::vec2& bb_min, const glm::vec2& bb_sz);
// return rect {origin, size}
glm::vec4 stroke_draw_samples(std::array<vertex_t, 4>& P, Texture2D& blend_tex);
std::vector<StrokeFrame> stroke_draw_compute(Stroke& stroke) const;
void draw_stroke();
virtual void draw() override;
virtual void handle_resize(glm::vec2 old_size, glm::vec2 new_size) override;