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LEFTONE/util/coly2d/shape.h
falsycat 84c3a02b9a [RELEASE] u22-v03
This version is submitted to U22 breau.
2020-09-14 00:00:00 +00:00

52 lines
1.1 KiB
C

#pragma once
#include <stdbool.h>
#include "util/math/vector.h"
typedef enum {
COLY2D_SHAPE_TYPE_LINE,
COLY2D_SHAPE_TYPE_RECT,
COLY2D_SHAPE_TYPE_TRIANGLE,
COLY2D_SHAPE_TYPE_ELLIPSE,
} coly2d_shape_type_t;
typedef struct {
coly2d_shape_type_t type;
vec2_t size;
float angle;
} coly2d_shape_t;
#define coly2d_shape_line(ed, a) ((coly2d_shape_t) { \
.type = COLY2D_SHAPE_TYPE_LINE, \
.size = ed, \
.angle = a, \
})
#define coly2d_shape_rect(sz, a) ((coly2d_shape_t) { \
.type = COLY2D_SHAPE_TYPE_RECT, \
.size = sz, \
.angle = a, \
})
#define coly2d_shape_triangle(sz, a) ((coly2d_shape_t) { \
.type = COLY2D_SHAPE_TYPE_TRIANGLE, \
.size = sz, \
.angle = a, \
})
#define coly2d_shape_ellipse(sz, a) ((coly2d_shape_t) { \
.type = COLY2D_SHAPE_TYPE_ELLIPSE, \
.size = sz, \
.angle = a, \
})
bool
coly2d_shape_valid(
const coly2d_shape_t* shape
);
bool
coly2d_shape_hittest_lineseg(
const coly2d_shape_t* shape,
const vec2_t* st,
const vec2_t* ed
);