plot_grid()

MAYAFLUX_API std::vector< Kakshya::LineVertex > MayaFlux::Portal::Forma::Plot::plot_grid	(	Kinesis::AABB2D	bounds,
		uint32_t	x_divisions,
		uint32_t	y_divisions,
		glm::vec3	color = glm::vec3(0.12F),
		float	thickness = 1.F
	)

LINE_LIST grid geometry for a plot area.

Produces x_divisions vertical lines and y_divisions horizontal lines evenly distributed within bounds. Intended as a static background buffer.

Parameters

bounds	Plot area in NDC.
x_divisions	Vertical line count (columns). 0 = no vertical lines.
y_divisions	Horizontal line count (rows). 0 = no horizontal lines.
color	Line color.
thickness	LineVertex::thickness value.

Definition at line 143 of file PlotSpec.cpp.

{
    std::vector<Kakshya::LineVertex> out;
    out.reserve((static_cast<size_t>(x_divisions + y_divisions)) * 2);
 
    auto lv = [&](glm::vec2 p) {
        return Kakshya::LineVertex {
            .position = { p.x, p.y, 0.F },
            .color = color,
            .thickness = thickness,
        };
    };
 
    for (uint32_t i = 0; i < x_divisions; ++i) {
        const float t = (x_divisions > 1)
            ? static_cast<float>(i) / static_cast<float>(x_divisions - 1)
            : 0.5F;
        const float x = bounds.min.x + t * bounds.width();
        out.push_back(lv({ x, bounds.min.y }));
        out.push_back(lv({ x, bounds.max.y }));
    }
 
    for (uint32_t i = 0; i < y_divisions; ++i) {
        const float t = (y_divisions > 1)
            ? static_cast<float>(i) / static_cast<float>(y_divisions - 1)
            : 0.5F;
        const float y = bounds.min.y + t * bounds.height();
        out.push_back(lv({ bounds.min.x, y }));
        out.push_back(lv({ bounds.max.x, y }));
    }
 
    return out;
}

References MayaFlux::Kinesis::AABB2D::height(), MayaFlux::Kinesis::AABB2D::max, MayaFlux::Kinesis::AABB2D::min, MayaFlux::Kakshya::LineVertex::position, and MayaFlux::Kinesis::AABB2D::width().

Here is the call graph for this function: