wanp/townengine
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remove procgen, use stb_perlin

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veclav talica
2024-08-19 19:19:22 +03:00
parent 6ec72db2d4
commit 14a9915ce9
8 changed files with 14 additions and 95 deletions
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2
apps/testgame/game.c
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@@ -44,7 +44,7 @@ void game_tick(void) {
input_bind_action_scancode(&ctx.input, "ui_accept", SDL_SCANCODE_RETURN);
input_add_action(&ctx.input, "mouse_capture_toggle");
input_bind_action_scancode(&ctx.input, "mouse_capture_toggle", SDL_SCANCODE_END);
input_bind_action_scancode(&ctx.input, "mouse_capture_toggle", SDL_SCANCODE_ESCAPE);
}
struct state *state = ctx.udata;

17
apps/testgame/scenes/ingame.c
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@@ -3,6 +3,10 @@
#include "scene.h"
#include "townengine/game_api.h"
#include "townengine/tabela.h"
#define STB_PERLIN_IMPLEMENTATION
#include <stb_perlin.h>
static void ingame_tick(struct state *state) {
@@ -82,12 +86,14 @@ static void ingame_tick(struct state *state) {
set_camera(&cam);
for (int y = 64; y--;)
#define TERRAIN_FREQUENCY 0.1f
for (int y = 64; y--;) {
for (int x = 64; x--;) {
float d0 = sample_perlin_2d((t_fvec2){x, y}, 0.2, 5) * 8 - 6;
float d1 = sample_perlin_2d((t_fvec2){x + 1, y}, 0.2, 5) * 8 - 6;
float d2 = sample_perlin_2d((t_fvec2){x + 1, y - 1}, 0.2, 5) * 8 - 6;
float d3 = sample_perlin_2d((t_fvec2){x, y - 1}, 0.2, 5) * 8 - 6;
float d0 = stb_perlin_noise3((float)x * TERRAIN_FREQUENCY, (float)y * TERRAIN_FREQUENCY, 0, 0, 0, 0) * 10 - 6;
float d1 = stb_perlin_noise3((float)(x + 1) * TERRAIN_FREQUENCY, (float)y * TERRAIN_FREQUENCY, 0, 0, 0, 0) * 10 - 6;
float d2 = stb_perlin_noise3((float)(x + 1) * TERRAIN_FREQUENCY, (float)(y - 1) * TERRAIN_FREQUENCY, 0, 0, 0, 0) * 10 - 6;
float d3 = stb_perlin_noise3((float)x * TERRAIN_FREQUENCY, (float)(y - 1) * TERRAIN_FREQUENCY, 0, 0, 0, 0) * 10 - 6;
unfurl_triangle("/assets/grass.gif",
(t_fvec3){ x, d0, y },
@@ -105,6 +111,7 @@ static void ingame_tick(struct state *state) {
(t_shvec2){ 0, 0 },
(t_shvec2){ 0, 768 });
}
}
}