Formatting

This commit is contained in:
2025-09-25 09:57:45 +02:00
parent 22c14129c1
commit 31adf3d7af
3 changed files with 16 additions and 14 deletions
+9 -7
View File
@@ -100,7 +100,7 @@ SDL_AppEvent (void *appstate, SDL_Event *event)
drag_origin_y = gfx_ctx->world_y_offset;
}
else if (event->type == SDL_EVENT_MOUSE_BUTTON_UP &&
event->button.button == SDL_BUTTON_LEFT)
event->button.button == SDL_BUTTON_LEFT)
{
dragging = false;
}
@@ -114,7 +114,7 @@ SDL_AppEvent (void *appstate, SDL_Event *event)
if (event->type == SDL_EVENT_MOUSE_WHEEL)
{
float zoom_factor = 1.0f + (event->wheel.y * 0.1f); /* ±10% per notch */
float zoom_factor = 1.0f + (event->wheel.y * 0.1f); /* ±10% per notch */
/* Zoom around the mouse cursor */
int win_w, win_h;
@@ -123,16 +123,18 @@ SDL_AppEvent (void *appstate, SDL_Event *event)
float mouse_x = event->wheel.mouse_x;
float mouse_y = event->wheel.mouse_y;
float before_x = (mouse_x - gfx_ctx->world_x_offset) / gfx_ctx->world_scale;
float before_y = (mouse_y - gfx_ctx->world_y_offset) / gfx_ctx->world_scale;
float before_x =
(mouse_x - gfx_ctx->world_x_offset) / gfx_ctx->world_scale;
float before_y =
(mouse_y - gfx_ctx->world_y_offset) / gfx_ctx->world_scale;
gfx_ctx->world_scale *= zoom_factor;
if (gfx_ctx->world_scale < 0.1f)
{
gfx_ctx->world_scale = 0.1f; /* clamp */
gfx_ctx->world_scale = 0.1f; /* clamp */
}
if (gfx_ctx->world_scale > 10.0f)
{
gfx_ctx->world_scale = 10.0f;
@@ -143,7 +145,7 @@ SDL_AppEvent (void *appstate, SDL_Event *event)
gfx_ctx->world_x_offset = mouse_x - after_x;
gfx_ctx->world_y_offset = mouse_y - after_y;
}
}
return SDL_APP_CONTINUE;
}
+6 -6
View File
@@ -43,7 +43,7 @@ GfxContext_new ()
}
GfxContext_reset (self);
return self;
}
@@ -57,12 +57,12 @@ GfxContext_render (GfxContext *self)
{
float tex_w, tex_h;
SDL_GetTextureSize (self->world_texture, &tex_w, &tex_h);
SDL_FRect dst = {
.x = self->world_x_offset,
.y = self->world_y_offset,
.w = tex_w * self->world_scale,
.h = tex_h * self->world_scale
.x = self->world_x_offset,
.y = self->world_y_offset,
.w = tex_w * self->world_scale,
.h = tex_h * self->world_scale
};
SDL_RenderTexture (self->renderer, self->world_texture, NULL, &dst);
+1 -1
View File
@@ -43,7 +43,7 @@ typedef struct GfxContext
GfxContext *GfxContext_new ();
void GfxContext_render (GfxContext * self);
void GfxContext_reset (GfxContext *self);
void GfxContext_reset (GfxContext * self);
void GfxContext_free (GfxContext * self);
void GfxContext_cache_World (GfxContext * self, World * world);