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Physics edges

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This commit is contained in:
John Alanbrook
2023-01-26 03:32:58 +00:00
parent 9303fb63cf
commit 68850b558a
11 changed files with 316 additions and 274 deletions
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36
source/engine/debug/debugdraw.c
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@@ -4,6 +4,10 @@
#include "shader.h"
#include "log.h"
#include <assert.h>
#include "debug.h"
#include "stb_ds.h"
static uint32_t circleVBO;
static uint32_t circleVAO;
@@ -59,9 +63,20 @@ void draw_line(int x1, int y1, int x2, int y2, float *color)
draw_poly(verts, 2, color);
}
void draw_edge(float *points, int n, float *color)
void draw_edge(cpVect *points, int n, float *color)
{
draw_poly(points, n, color);
static_assert(sizeof(cpVect) == 2*sizeof(float));
shader_use(rectShader);
shader_setvec3(rectShader, "linecolor", color);
glBindBuffer(GL_ARRAY_BUFFER, rectVBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(float) * n * 2, points, GL_DYNAMIC_DRAW);
glBindVertexArray(rectVAO);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, NULL);
shader_setfloat(rectShader, "alpha", 1.f);
glDrawArrays(GL_LINE_STRIP, 0, n);
}
void draw_circle(int x, int y, float radius, int pixels, float *color, int fill)
@@ -120,6 +135,12 @@ void draw_point(int x, int y, float r, float *color)
draw_circle(x, y, r, r, color, 0);
}
void draw_points(struct cpVect *points, int n, float size, float *color)
{
for (int i = 0; i < n; i++)
draw_point(points[i].x, points[i].y, size, color);
}
void draw_poly(float *points, int n, float *color)
{
shader_use(rectShader);
@@ -138,6 +159,17 @@ void draw_poly(float *points, int n, float *color)
glDrawArrays(GL_LINE_LOOP, 0, n);
}
void draw_polyvec(cpVect *points, int n, float *color)
{
float drawvec[n*2];
for (int i = 0; i < n; i++) {
drawvec[i*2] = points[i].x;
drawvec[i*2+1] = points[i].y;
}
draw_poly(drawvec, n, color);
}
void debugdraw_flush()
{