52 lines
3.3 KiB
Plaintext
52 lines
3.3 KiB
Plaintext
[video output=day090 member=cmuratori stream_platform=twitch stream_username=handmade_hero project=code title="Bases Part I" vod_platform=youtube id=lcmjmOfWPNU annotator=Miblo annotator=dspecht annotator=ZedZull]
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[1:45][Take a look at where we're at]
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[2:05][Make lowercase the accessors for the vectors]
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[6:20][Casey doesn't have enough Emacs-fu to bust that out][quote 45]
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[9:00][Find out if it worked]
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[9:30][Resume work on RenderGroup structure, implementing Clear]
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[10:47][Make DrawRectangle take A which defaults to 1.0f]
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[11:21][Make the Clear call take its values from render_entry_clear]
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[11:57][Make Clear function]
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[12:41][Change R, G, B, A in render_entry_clear to Color]
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[12:54][Cleanup]
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[13:07][Review progress and glimpse into the future]
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[13:39][Ensure that everything's working in-game]
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[14:00][Turn off the GroundBuffers and the 'conditional expression is constant' warning]
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[15:05][Consider what we haven't moved over into the renderer (Outline calls) and note that FillGroundChunk calls the bitmap routines directly, rather than the renderer]
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[16:00][Put PushRectOutline and DrawRectangleOutline into the renderer as more specific concepts]
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[19:44][Run, crash and update PushRectOutline]
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[20:33][View the results in-game and add back in the Space lines]
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[21:37][Make FillGroundChunk go through the renderer]
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[22:59][Introduce GroundRenderGroup]
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[23:36][Let FillGroundChunk use the RenderGroup]
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[25:44][Put in a Clear to verify that things are actually happening]
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[26:26][Change DrawBitmap to PushBitmap and make it use that renderer syntax]
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[26:52][Consider supporting pixel positioning]
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[28:34][View the splatting in-game]
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[28:52][Cheese the pixel positioning by replacing MetersToPixels with 1.0f]
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[29:34][Showcase the live code editing by scaling the placement of the ground elements]
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[31:05][Blackboard: Introduce the concept of coordinate systems and bases]
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[32:55][Blackboard: How we measure, using the dot product]
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[34:24][Blackboard: Axes tend to have two properties: 1) Unit length]
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[36:03][Blackboard: ...and 2) Orthogonal]
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[36:33][Blackboard: Linear independence]
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[38:13][Blackboard: Forget about linear independence]
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[39:12][Blackboard: Orthogonality]
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[42:48][Blackboard: Linear independence]
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[44:40][Blackboard: There's linear algebra afoot here][quote 46]
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[44:54][Blackboard: See why these are important properties]
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[45:26][Blackboard: 3D coordinates]
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[47:14][Blackboard: Basis vectors]
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[50:11][Blackboard: Basis changes: 'MetersToPixels' and 'negate y']
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[55:30][Blackboard: Pretend we had some third universal basis]
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[57:29][Blackboard: How does Casey move a point from world space into screen space?]
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[1:01:17][Blackboard: Preview what we're going to do]
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[1:03:08][Q&A][:speech]
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[1:03:41][@mr4thdimention][Would you represent the origin of coordinate systems in a universal coordinate system?]
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[1:06:25][@nicstop][A few streams ago you said you'd prefer to call functions through a macro and then forgot to explain why]
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[1:07:06][@e10dee4d][Why is the familiar moving left to right, or did I miss something?]
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[1:07:32][@cubercaleb][Why are computer coordinates upside-down?]
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[1:12:30][@twinduoq][How important is it to know how to make a game engine vs simply using one? And if you were to use DirectX libraries, how much would the code differ?]
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[1:21:06][Wrap it up with a brief recap and a glimpse into the future][:speech]
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[/video]
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