interpolation.c File Reference

#include <banjo/app.h>
#include <banjo/main.h>
#include <banjo/bitmap.h>
#include <banjo/draw.h>
#include <banjo/event.h>
#include <banjo/system.h>
#include <banjo/window.h>

Include dependency graph for interpolation.c:

Go to the source code of this file.

Macros
#define	WIDTH   640
#define	HEIGHT   360
#define	BALL_R   24
#define	SPEED   320.0f /* pixels per second */
#define	FIXED_HZ   10 /* deliberately low so the stutter is obvious */
#define	TOP_Y   120 /* smooth (interpolated) ball */
#define	BOT_Y   240 /* raw (un-interpolated) ball */

Functions
static void	fixed_step (struct bj_app *app, struct bj_tick_info tick, void *ud)
static void	on_draw (struct bj_window *w, struct bj_render_target *target, const struct bj_rect *dirty, void *user_data)
static void	step (struct bj_app *app, struct bj_tick_info tick, void *user_data)
static void *	setup (struct bj_app *app, void *init_data)
static void	teardown (struct bj_app *app, void *user_data)
int	main (int argc, char *argv[])

Variables
static bj_window *	window = 0
static float	prev_x
static float	curr_x
static float	vx = 320.0f
static float	render_alpha

Macro Definition Documentation

BALL_R

#define BALL_R   24

Examples

interpolation.c, and pong.c.

Definition at line 57 of file interpolation.c.

Referenced by draw(), fixed_step(), on_draw(), setup(), and update().

BOT_Y

#define BOT_Y   240 /* raw (un-interpolated) ball */

Examples

interpolation.c.

Definition at line 61 of file interpolation.c.

Referenced by on_draw().

FIXED_HZ

#define FIXED_HZ   10 /* deliberately low so the stutter is obvious */

Examples

interpolation.c.

Definition at line 59 of file interpolation.c.

Referenced by setup().

HEIGHT

#define HEIGHT   360

Examples

interpolation.c.

Definition at line 56 of file interpolation.c.

Referenced by setup().

SPEED

#define SPEED   320.0f /* pixels per second */

Examples

interpolation.c.

Definition at line 58 of file interpolation.c.

Referenced by fixed_step().

TOP_Y

#define TOP_Y   120 /* smooth (interpolated) ball */

Examples

interpolation.c.

Definition at line 60 of file interpolation.c.

Referenced by on_draw().

WIDTH

#define WIDTH   640

Examples

interpolation.c.

Definition at line 55 of file interpolation.c.

Referenced by fixed_step(), and setup().

Function Documentation

fixed_step()

void fixed_step ( struct bj_app * app, struct bj_tick_info tick, void * ud )

static

Examples

interpolation.c, physics_kinematics.c, and physics_particle.c.

Definition at line 80 of file interpolation.c.

Referenced by bj_run_app(), and main().

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 142 of file interpolation.c.

on_draw()

void on_draw ( struct bj_window * w, struct bj_render_target * target, const struct bj_rect * dirty, void * user_data )

static

Definition at line 88 of file interpolation.c.

setup()

void * setup ( struct bj_app * app, void * init_data )

static

Definition at line 121 of file interpolation.c.

step()

void step ( struct bj_app * app, struct bj_tick_info tick, void * user_data )

static

Definition at line 110 of file interpolation.c.

teardown()

void teardown ( struct bj_app * app, void * user_data )

static

Definition at line 136 of file interpolation.c.

Variable Documentation

curr_x

float curr_x

static

Examples

interpolation.c.

Definition at line 69 of file interpolation.c.

Referenced by fixed_step(), on_draw(), and setup().

prev_x

float prev_x

static

Examples

interpolation.c.

Definition at line 68 of file interpolation.c.

Referenced by fixed_step(), on_draw(), and setup().

render_alpha

float render_alpha

static

Examples

interpolation.c.

Definition at line 76 of file interpolation.c.

Referenced by on_draw(), and step().

vx

float vx = 320.0f

static

Examples

interpolation.c.

Definition at line 70 of file interpolation.c.

Referenced by fixed_step().

window

bj_window* window = 0

static

Definition at line 63 of file interpolation.c.